diff --git a/.gitignore b/.gitignore
index d1b714e..e50b0a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 bin/
+data/
 node_modules/
 .env
diff --git a/package.json b/package.json
index d1ae72e..9499d14 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "main": "src/index.js",
   "private": true,
   "dependencies": {
+    "better-sqlite3": "^5.4.3",
     "compression": "^1.7.3",
     "date-fns": "^1.30.1",
     "debug": "^4.1.1",
@@ -13,12 +14,12 @@
     "iconv-lite": "^0.4.24",
     "morgan": "^1.9.1",
     "multiparty": "^4.2.1",
-    "pg": "^7.10.0",
     "raw-body": "^2.3.3",
     "sql-bricks-postgres": "^0.5.0",
     "supports-color": "^7.1.0"
   },
   "devDependencies": {
+    "@types/better-sqlite3": "^5.4.0",
     "@types/compression": "^0.0.36",
     "@types/debug": "^4.1.5",
     "@types/dotenv": "^6.1.1",
@@ -26,7 +27,6 @@
     "@types/jest": "^24.0.11",
     "@types/multiparty": "^0.0.32",
     "@types/node": "^11.11.3",
-    "@types/pg": "^7.4.14",
     "jest": "^24.5.0",
     "jest-haste-map": "^24.5.0",
     "jest-resolve": "^24.5.0",
diff --git a/schema/init/aime.sql b/schema/init/aime.sql
index 3b3d044..342185f 100644
--- a/schema/init/aime.sql
+++ b/schema/init/aime.sql
@@ -1,22 +1,14 @@
-create type "aime_region" as enum (
-    'JPN',
-    'HKG',
-    'SGP',
-    'KOR',
-    'USA'
-);
-
 create table "aime_shop" (
-    "id" bigint primary key not null,
+    "id" integer primary key not null,
     "ext_id" integer not null,
     "name" text not null,
-    "region" "aime_region" not null,
+    "region" text not null,
     constraint "aime_shop_uq" unique ("ext_id")
 );
 
 create table "aime_machine" (
-    "id" bigint primary key not null,
-    "shop_id" bigint not null
+    "id" integer primary key not null,
+    "shop_id" integer not null
             references "aime_shop"("id"),
     "pcb_id" text not null,
     "keychip_id" text not null,
@@ -25,15 +17,15 @@ create table "aime_machine" (
 );
 
 create table "aime_player" (
-    "id" bigint primary key not null,
+    "id" integer primary key not null,
     "ext_id" integer not null,
     "register_time" timestamp not null,
     constraint "aime_player_uq" unique ("ext_id")
 );
 
 create table "aime_card" (
-    "id" bigint primary key not null,
-    "player_id" bigint not null
+    "id" integer primary key not null,
+    "player_id" integer not null
             references "aime_player"("id")
             on delete cascade,
     "nfc_id" text not null,
diff --git a/schema/init/idz.sql b/schema/init/idz.sql
index 101c23e..2bc3615 100644
--- a/schema/init/idz.sql
+++ b/schema/init/idz.sql
@@ -2,18 +2,14 @@
 -- A "course" contains an uphill and downhill "route"
 -- (or inbound/outbound etc)
 
-create schema "idz";
-
-create type "idz_gender" as enum ('male', 'female');
-
 create table "idz_profile" (
-    "id" bigint primary key not null,
-    "player_id" bigint not null
+    "id" integer primary key not null,
+    "player_id" integer not null
             references "aime_player"("id")
             on delete cascade,
     -- TODO shop_id
     "name" text not null,
-    "lv" smallint not null,
+    "lv" integer not null,
     "exp" integer not null,
     "fame" integer not null,
     "dpoint" integer not null,
@@ -24,10 +20,10 @@ create table "idz_profile" (
 );
 
 create table "idz_chara" (
-    "id" bigint primary key not null
+    "id" integer primary key not null
             references "idz_profile"("id")
             on delete cascade,
-    "gender" "idz_gender" not null,
+    "gender" text not null,
     "field_02" integer not null,
     "field_04" integer not null,
     "field_06" integer not null,
@@ -40,18 +36,18 @@ create table "idz_chara" (
 );
 
 create table "idz_course_plays" (
-    "id" bigint primary key not null,
-    "profile_id" bigint not null
+    "id" integer primary key not null,
+    "profile_id" integer not null
             references "idz_profile"("id")
             on delete cascade,
-    "course_no" smallint not null,
+    "course_no" integer not null,
     "count" integer not null,
     constraint "idz_course_plays_uq" unique ("profile_id", "course_no")
 );
 
 create table "idz_car" (
-    "id" bigint primary key not null,
-    "profile_id" bigint not null
+    "id" integer primary key not null,
+    "profile_id" integer not null
             references "idz_profile"("id")
             on delete cascade,
     "selector" integer not null,
@@ -73,22 +69,22 @@ create table "idz_car" (
 );
 
 create table "idz_car_selection" (
-    "id" bigint primary key not null
+    "id" integer primary key not null
             references "idz_profile"("id")
             on delete cascade,
-    "car_id" bigint not null
+    "car_id" integer not null
             references "idz_car"("id")
             on delete cascade
 );
 
 create table "idz_solo_mission_state" (
-    "id" bigint primary key not null,
-    "profile_id" bigint not null
+    "id" integer primary key not null,
+    "profile_id" integer not null
             references "idz_profile"("id")
             on delete cascade,
-    "grid_no" smallint not null,
-    "cell_no" smallint not null,
-    "value" smallint not null,
+    "grid_no" integer not null,
+    "cell_no" integer not null,
+    "value" integer not null,
     constraint "idz_solo_mission_state_uq" unique (
             "profile_id",
             "grid_no",
@@ -97,32 +93,32 @@ create table "idz_solo_mission_state" (
 );
 
 create table "idz_settings" (
-    "id" bigint primary key not null
+    "id" integer primary key not null
             references "idz_profile"("id")
             on delete cascade,
-    "music" smallint not null,
-    "pack" bigint not null,
-    "paper_cup" smallint not null, -- Not a boolean, oddly enough
+    "music" integer not null,
+    "pack" integer not null,
+    "paper_cup" integer not null, -- Not a boolean, oddly enough
     "gauges" integer not null
 );
 
 create table "idz_story_state" (
-    "id" bigint primary key not null
+    "id" integer primary key not null
             references "idz_profile"("id")
             on delete cascade,
-    "x" smallint not null,
-    "y" smallint not null
+    "x" integer not null,
+    "y" integer not null
 );
 
 create table "idz_story_cell_state" (
-    "id" bigint primary key not null,
-    "profile_id" bigint not null
+    "id" integer primary key not null,
+    "profile_id" integer not null
             references "idz_profile"("id")
             on delete cascade,
     "row_no" integer not null,
     "col_no" integer not null,
-    "a" smallint not null,
-    "b" smallint not null,
+    "a" integer not null,
+    "b" integer not null,
     constraint "idz_story_cell_state_uq" unique (
             "profile_id",
             "row_no",
@@ -131,7 +127,7 @@ create table "idz_story_cell_state" (
 );
 
 create table "idz_free_car" (
-    "id" bigint primary key not null
+    "id" integer primary key not null
             references "idz_profile"("id")
             on delete cascade,
     "valid_from" timestamp not null
@@ -141,29 +137,29 @@ create table "idz_free_car" (
 -- Times are stored as floating-point seconds
 
 create table "idz_ta_result" (
-    "id" bigint primary key not null,
-    "profile_id" bigint not null
+    "id" integer primary key not null,
+    "profile_id" integer not null
             references "idz_profile"("id")
             on delete cascade,
-    "route_no" smallint not null,
+    "route_no" integer not null,
     "total_time" float not null,
     "section_times" text not null,
-    "flags" smallint not null,
-    "grade" smallint not null,
+    "flags" integer not null,
+    "grade" integer not null,
     "car_selector" integer not null,
     "timestamp" timestamp not null
 );
 
 create table "idz_ta_best" (
-    "id" bigint primary key not null,
-    "profile_id" bigint not null
+    "id" integer primary key not null,
+    "profile_id" integer not null
             references "idz_profile"("id")
             on delete cascade,
-    "route_no" smallint not null,
+    "route_no" integer not null,
     "total_time" float not null,
     "section_times" text not null,
-    "flags" smallint not null,
-    "grade" smallint not null, -- TODO enum
+    "flags" integer not null,
+    "grade" integer not null, -- TODO enum
     "car_selector" integer not null,
     "timestamp" timestamp not null,
     constraint "idz_ta_best_uq" unique ("profile_id", "route_no")
@@ -172,11 +168,11 @@ create table "idz_ta_best" (
 -- TODO ta_section_best
 
 create table "idz_background_unlock" (
-    "id" bigint primary key not null,
-    "profile_id" bigint not null
+    "id" integer primary key not null,
+    "profile_id" integer not null
             references "idz_profile"("id")
             on delete cascade,
-    "background_no" smallint not null,
+    "background_no" integer not null,
     constraint "idz_background_unlock_uq" unique (
             "profile_id",
             "background_no"
@@ -184,48 +180,48 @@ create table "idz_background_unlock" (
 );
 
 create table "idz_title_unlock" (
-    "id" bigint primary key not null,
-    "profile_id" bigint not null
+    "id" integer primary key not null,
+    "profile_id" integer not null
             references "idz_profile"("id")
             on delete cascade,
-    "title_no" smallint not null,
+    "title_no" integer not null,
     constraint "idz_title_unlock_uq" unique ("profile_id", "title_no")
 );
 
 create table "idz_unlocks" (
-    "id" bigint primary key not null
+    "id" integer primary key not null
             references "idz_profile"("id")
             on delete cascade,
-    "cup" smallint not null,
+    "cup" integer not null,
     "gauges" integer not null,
     "music" integer not null,
     "last_mileage_reward" integer not null
 );
 
 create table "idz_team" (
-    "id" bigint primary key not null,
+    "id" integer primary key not null,
     "ext_id" integer not null,
     "name" text not null,
-    "name_bg" smallint not null,
-    "name_fx" smallint not null,
+    "name_bg" integer not null,
+    "name_fx" integer not null,
     "register_time" timestamp not null,
     constraint "idz_team_uq" unique ("ext_id")
 );
 
 create table "idz_team_auto" (
-    "id" bigint primary key not null
+    "id" integer primary key not null
             references "idz_team"("id")
             on delete cascade,
-    "serial_no" smallint not null,
-    "name_idx" smallint not null,
+    "serial_no" integer not null,
+    "name_idx" integer not null,
     constraint "idz_team_auto_uq" unique ("serial_no", "name_idx")
 );
 
 create table "idz_team_member" (
-    "id" bigint primary key not null
+    "id" integer primary key not null
             references "idz_profile"("id")
             on delete cascade,
-    "team_id" bigint not null
+    "team_id" integer not null
             references "idz_team"("id")
             on delete cascade,
     "join_time" timestamp not null,
@@ -233,10 +229,10 @@ create table "idz_team_member" (
 );
 
 create table "idz_team_reservation" (
-    "id" bigint primary key not null
+    "id" integer primary key not null
             references "aime_player"("id")
             on delete cascade,
-    "team_id" bigint not null
+    "team_id" integer not null
             references "idz_team"("id")
             on delete cascade,
     "join_time" timestamp not null,
diff --git a/schema/migrate/M0001-add-helper-funcs.sql b/schema/migrate/M0001-add-helper-funcs.sql
deleted file mode 100644
index 7302f4b..0000000
--- a/schema/migrate/M0001-add-helper-funcs.sql
+++ /dev/null
@@ -1,81 +0,0 @@
--- Helper functions which might be useful in one-off queries.
--- These are not utilised by any services; those have their own ID generators.
-
-create or replace function idnum(
-    str         text)
-    returns     bigint as $$
-declare
-    num         bigint;
-    x           integer;
-begin
-    num := 0;
-
-    for i in 1..11 loop
-        x := ascii(substr(str, i, 1));
-        num := num << 6;
-
-        if x >= 65 and x <= 90 then
-            -- A to Z
-            num = num | (x - 65);
-        elsif x >= 97 and x <= 122 then
-            -- a to z
-            num = num | (x - 71);
-        elsif x >= 48 and x <= 58 then
-            -- 0 to 9
-            num = num | (x + 4);
-        elsif x = 45 then
-            -- Dash
-            num = num | 62;
-        elsif x = 95 then
-            -- Underscore
-            num = num | 63;
-        else
-            raise 'Bad input';
-        end if;
-    end loop;
-
-    return num;
-end;
-$$ language plpgsql;
-
-create or replace function idstr(
-    num         bigint)
-    returns     text as $$
-declare
-    a           text;
-    pos         integer;
-    str         text;
-begin
-    a := 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_';
-    str := '';
-
-    for i in 1..11 loop
-        pos := (num & 63);
-        str := substr(a, pos + 1, 1) || str;
-        num := num >> 6;
-    end loop;
-
-    return str;
-end;
-$$ language plpgsql;
-
-create or replace function newid()
-    returns     bigint as $$
-declare
-    bytes       bytea;
-    result      bigint;
-begin
-    bytes := gen_random_bytes(8);
-    result := 0;
-
-    for i in 0..7 loop
-        result := (result << 8) | get_byte(bytes, i);
-    end loop;
-
-    -- Truncate high bit to ensure result is positive
-    -- This value is just the decimal representation of 0x7FFFFFFF`FFFFFFFF.
-
-    return result & 9223372036854775807;
-end;
-$$ language plpgsql;
-
diff --git a/schema/migrate/M0002-idz-drop-profile-ext-id.sql b/schema/migrate/M0002-idz-drop-profile-ext-id.sql
deleted file mode 100644
index ad9780a..0000000
--- a/schema/migrate/M0002-idz-drop-profile-ext-id.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-alter table "idz"."profile" drop column "ext_id";
-
-update "meta" set "schemaver" = 1;
diff --git a/schema/migrate/M0003-idz-add-team.sql b/schema/migrate/M0003-idz-add-team.sql
deleted file mode 100644
index 8b49b3b..0000000
--- a/schema/migrate/M0003-idz-add-team.sql
+++ /dev/null
@@ -1,42 +0,0 @@
-create table "idz"."team" (
-    "id" bigint primary key not null,
-    "ext_id" integer not null,
-    "name" text not null,
-    "name_bg" smallint not null,
-    "name_fx" smallint not null,
-    "register_time" timestamp not null,
-    constraint "team_uq" unique ("ext_id")
-);
-
-create table "idz"."team_auto" (
-    "id" bigint primary key not null
-            references "idz"."team"("id")
-            on delete cascade,
-    "serial_no" smallint not null,
-    "name_idx" smallint not null,
-    constraint "team_auto_uq" unique ("serial_no", "name_idx")
-);
-
-create table "idz"."team_member" (
-    "id" bigint primary key not null
-            references "idz"."profile"("id")
-            on delete cascade,
-    "team_id" bigint not null
-            references "idz"."team"("id")
-            on delete cascade,
-    "join_time" timestamp not null,
-    "leader" boolean not null
-);
-
-create table "idz"."team_reservation" (
-    "id" bigint primary key not null
-            references "aime"."player"("id")
-            on delete cascade,
-    "team_id" bigint not null
-            references "idz"."team"("id")
-            on delete cascade,
-    "join_time" timestamp not null,
-    "leader" boolean not null
-);
-
-update "meta" set "schemaver" = 2;
diff --git a/schema/migrate/M0004-idz-fix-col-casing.sql b/schema/migrate/M0004-idz-fix-col-casing.sql
deleted file mode 100644
index 2e8f894..0000000
--- a/schema/migrate/M0004-idz-fix-col-casing.sql
+++ /dev/null
@@ -1,21 +0,0 @@
--- Fun story: PostgreSQL (can't speak for other dbs) doesn't actually treat
--- its column and table names case-insensitively. It forces them to lower-
--- case instead. If you quote an upper-case field name then it will be upper-
--- case in the database and you will need to use quoted upper-case every time
--- you want to access it.
-
--- It is likely that people will find this behavior surprising, to say the
--- least. We'll change the column names so that they are always lower-case.
-
-alter table "idz"."chara" rename column "field_0A" to "field_0a";
-alter table "idz"."chara" rename column "field_0C" to "field_0c";
-alter table "idz"."chara" rename column "field_0E" to "field_0e";
-
-alter table "idz"."car" rename column "field_4A" to "field_4a";
-alter table "idz"."car" rename column "field_4C" to "field_4c";
-alter table "idz"."car" rename column "field_5A" to "field_5a";
-alter table "idz"."car" rename column "field_5B" to "field_5b";
-alter table "idz"."car" rename column "field_5C" to "field_5c";
-alter table "idz"."car" rename column "field_5E" to "field_5e";
-
-update "meta" set "schemaver" = 3;
diff --git a/schema/migrate/M0005-merge-schemas.sql b/schema/migrate/M0005-merge-schemas.sql
deleted file mode 100644
index b88bc6d..0000000
--- a/schema/migrate/M0005-merge-schemas.sql
+++ /dev/null
@@ -1,81 +0,0 @@
-alter type "aime"."region" set schema "public";
-alter type "region" rename to "aime_region";
-
-alter table "aime"."shop" set schema "public";
-alter table "shop" rename to "aime_shop";
-
-alter table "aime"."machine" set schema "public";
-alter table "machine" rename to "aime_machine";
-
-alter table "aime"."player" set schema "public";
-alter table "player" rename to "aime_player";
-
-alter table "aime"."card" set schema "public";
-alter table "card" rename to "aime_card";
-
-----
-
-alter type "idz"."gender" set schema "public";
-alter type "gender" rename to "idz_gender";
-
-alter table "idz"."profile" set schema "public";
-alter table "profile" rename to "idz_profile";
-
-alter table "idz"."chara" set schema "public";
-alter table "chara" rename to "idz_chara";
-
-alter table "idz"."course_plays" set schema "public";
-alter table "course_plays" rename to "idz_course_plays";
-
-alter table "idz"."car" set schema "public";
-alter table "car" rename to "idz_car";
-
-alter table "idz"."car_selection" set schema "public";
-alter table "car_selection" rename to "idz_car_selection";
-
-alter table "idz"."solo_mission_state" set schema "public";
-alter table "solo_mission_state" rename to "idz_solo_mission_state";
-
-alter table "idz"."settings" set schema "public";
-alter table "settings" rename to "idz_settings";
-
-alter table "idz"."story_state" set schema "public";
-alter table "story_state" rename to "idz_story_state";
-
-alter table "idz"."story_cell_state" set schema "public";
-alter table "story_cell_state" rename to "idz_story_cell_state";
-
-alter table "idz"."free_car" set schema "public";
-alter table "free_car" rename to "idz_free_car";
-
-alter table "idz"."ta_result" set schema "public";
-alter table "ta_result" rename to "idz_ta_result";
-
-alter table "idz"."ta_best" set schema "public";
-alter table "ta_best" rename to "idz_ta_best";
-
-alter table "idz"."background_unlock" set schema "public";
-alter table "background_unlock" rename to "idz_background_unlock";
-
-alter table "idz"."title_unlock" set schema "public";
-alter table "title_unlock" rename to "idz_title_unlock";
-
-alter table "idz"."unlocks" set schema "public";
-alter table "unlocks" rename to "idz_unlocks";
-
-alter table "idz"."team" set schema "public";
-alter table "team" rename to "idz_team";
-
-alter table "idz"."team_auto" set schema "public";
-alter table "team_auto" rename to "idz_team_auto";
-
-alter table "idz"."team_member" set schema "public";
-alter table "team_member" rename to "idz_team_member";
-
-alter table "idz"."team_reservation" set schema "public";
-alter table "team_reservation" rename to "idz_team_reservation";
-
-drop schema "idz";
-drop schema "aime";
-
-update "meta" set "schemaver" = 5;
diff --git a/schema/migrate/M0006-flatten-arrays.sql b/schema/migrate/M0006-flatten-arrays.sql
deleted file mode 100644
index a4d3973..0000000
--- a/schema/migrate/M0006-flatten-arrays.sql
+++ /dev/null
@@ -1,19 +0,0 @@
-alter table "idz_car" rename column "field_04" to "tmp";
-alter table "idz_car" add column "field_04" text;
-update "idz_car" set "field_04" = array_to_string("tmp", ',');
-alter table "idz_car" alter column "field_04" set not null;
-alter table "idz_car" drop column "tmp";
-
-alter table "idz_ta_result" rename column "section_times" to "tmp";
-alter table "idz_ta_result" add column "section_times" text;
-update "idz_ta_result" set "section_times" = array_to_string("tmp", ',');
-alter table "idz_ta_result" alter column "section_times" set not null;
-alter table "idz_ta_result" drop column "tmp";
-
-alter table "idz_ta_best" rename column "section_times" to "tmp";
-alter table "idz_ta_best" add column "section_times" text;
-update "idz_ta_best" set "section_times" = array_to_string("tmp", ',');
-alter table "idz_ta_best" alter column "section_times" set not null;
-alter table "idz_ta_best" drop column "tmp";
-
-update "meta" set "schemaver" = 6;
diff --git a/src/index.ts b/src/index.ts
index 591ee14..853a9c7 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -12,10 +12,12 @@ import chunithm from "./chunithm";
 import diva from "./diva";
 import idz from "./idz";
 import idzPing from "./idz/ping";
-import { openDataSource } from "./sql";
+import { openSqlite } from "./sql";
 import * as Swb from "./switchboard";
 
-const db = openDataSource();
+fs.mkdirSync("./data", { recursive: true });
+
+const db = openSqlite("./data/db");
 
 const tls = {
   cert: fs.readFileSync("pki/server.pem"),
diff --git a/src/sql/index.ts b/src/sql/index.ts
index fc5c101..5beb3b9 100644
--- a/src/sql/index.ts
+++ b/src/sql/index.ts
@@ -1,3 +1,3 @@
 export * from "./api";
-export * from "./pg";
+export * from "./sqlite";
 export * from "./util";
diff --git a/src/sql/pg.ts b/src/sql/pg.ts
deleted file mode 100644
index 1e56c25..0000000
--- a/src/sql/pg.ts
+++ /dev/null
@@ -1,57 +0,0 @@
-import { Pool, PoolClient } from "pg";
-import * as sql from "sql-bricks-postgres";
-
-import { DataSource, Row, Transaction } from "./api";
-
-class PgTransaction implements Transaction {
-  constructor(private readonly _conn: PoolClient) {}
-
-  async modify(stmt: sql.Statement): Promise<void> {
-    await this._conn.query(stmt.toParams());
-  }
-
-  async fetchRow(stmt: sql.SelectStatement): Promise<Row | undefined> {
-    const { rows } = await this._conn.query(stmt.toParams());
-
-    return rows[0];
-  }
-
-  async fetchRows(stmt: sql.SelectStatement): Promise<Row[]> {
-    const { rows } = await this._conn.query(stmt.toParams());
-
-    return rows;
-  }
-}
-
-class PgDataSource implements DataSource {
-  private readonly _pool: Pool;
-
-  constructor() {
-    this._pool = new Pool();
-  }
-
-  async transaction<T>(
-    callback: (txn: Transaction) => Promise<T>
-  ): Promise<T> {
-    const conn = await this._pool.connect();
-
-    await conn.query("begin");
-
-    try {
-      const txn = new PgTransaction(conn);
-      const result = await callback(txn);
-
-      await conn.query("commit");
-
-      return result;
-    } catch (e) {
-      await conn.query("rollback");
-
-      return Promise.reject(e);
-    }
-  }
-}
-
-export function openDataSource(): DataSource {
-  return new PgDataSource();
-}
diff --git a/src/sql/sqlite.ts b/src/sql/sqlite.ts
new file mode 100644
index 0000000..240237d
--- /dev/null
+++ b/src/sql/sqlite.ts
@@ -0,0 +1,104 @@
+import Database from "better-sqlite3";
+import * as sql from "sql-bricks-postgres";
+
+import { DataSource, Row, Transaction } from "./api";
+
+// bless me father for i have sinned
+const fuFixup = new RegExp(" FOR UPDATE$");
+
+function _preprocess(stmt: sql.Statement) {
+  const params = stmt.toParams({ placeholder: "?" });
+  const values = new Array<string | null>();
+
+  for (const value of params.values) {
+    // Pass null through as-is
+    // Pass dates as ISO strings in UTC
+    // Pass everything else (numbers, booleans, BigInts) as their string rep.
+
+    if (value === null) {
+      values.push(null);
+    } else if (value instanceof Date) {
+      values.push(value.toISOString());
+    } else {
+      values.push(value.toString());
+    }
+  }
+
+  // Use string manipulation to cut off any trailing " FOR UPDATE" clause
+  // in a SELECT statement, since SQLite doesn't support it. I really hope
+  // that performing string manipulation on SQL code like this doesn't come
+  // back to bite me.
+
+  return {
+    text: params.text.replace(fuFixup, ""),
+    values,
+  };
+}
+
+function _postprocess(obj: {}): Row {
+  const result = {};
+
+  for (const [k, v] of Object.entries(obj)) {
+    result[k] = v.toString();
+  }
+
+  return result;
+}
+
+class SqliteTransaction implements Transaction {
+  constructor(private readonly _db: Database.Database) {}
+
+  modify(stmt: sql.Statement): Promise<void> {
+    const params = _preprocess(stmt);
+
+    this._db.prepare(params.text).run(...params.values);
+
+    return Promise.resolve();
+  }
+
+  fetchRow(stmt: sql.SelectStatement): Promise<Row | undefined> {
+    const params = _preprocess(stmt);
+    const raw = this._db.prepare(params.text).get(...params.values);
+    const result = raw && _postprocess(raw);
+
+    return Promise.resolve(result);
+  }
+
+  fetchRows(stmt: sql.SelectStatement): Promise<Row[]> {
+    const params = _preprocess(stmt);
+    const raw = this._db.prepare(params.text).all(...params.values);
+    const result = raw.map(_postprocess);
+
+    return Promise.resolve(result);
+  }
+}
+
+class SqliteDataSource implements DataSource {
+  constructor(private readonly _path: string) {}
+
+  async transaction<T>(
+    callback: (txn: Transaction) => Promise<T>
+  ): Promise<T> {
+    const db = new Database(this._path);
+
+    db.defaultSafeIntegers();
+    db.prepare("begin").run();
+
+    try {
+      const txn = new SqliteTransaction(db);
+      const result = await callback(txn);
+
+      db.prepare("commit").run();
+
+      return result;
+    } catch (e) {
+      db.prepare("rollback").run();
+
+      return Promise.reject(e);
+    }
+  }
+}
+
+export function openSqlite(path: string): DataSource {
+  return new SqliteDataSource(path);
+}
diff --git a/yarn.lock b/yarn.lock
index 4037e85..31070f9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -309,6 +309,13 @@
   dependencies:
     "@babel/types" "^7.3.0"
 
+"@types/better-sqlite3@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@types/better-sqlite3/-/better-sqlite3-5.4.0.tgz#ab7336ccc2e31bd88247016c675cfcb01df99787"
+  integrity sha512-nzm7lJ7l3jBmGUbtkL8cdOMhPkN6Pw2IM+b0V7iIKba+YKiLrjkIy7vVLsBIVnd7+lgzBzrHsXZxCaFTcmw5Ow==
+  dependencies:
+    "@types/integer" "*"
+
 "@types/body-parser@*":
   version "1.17.0"
   resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.17.0.tgz#9f5c9d9bd04bb54be32d5eb9fc0d8c974e6cf58c"
@@ -360,6 +367,11 @@
     "@types/express-serve-static-core" "*"
     "@types/serve-static" "*"
 
+"@types/integer@*":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@types/integer/-/integer-1.0.0.tgz#f5b313876012fad0afeb5318f03cb871064eb33e"
+  integrity sha512-3viiRKLoSP2Qr78nMoQjkDc0fan4BgmpOyV1+1gKjE8wWXo3QQ78WItO6f9WuBf3qe3ymDYhM65oqHTOZ0rFxw==
+
 "@types/istanbul-lib-coverage@^1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.0.tgz#2cc2ca41051498382b43157c8227fea60363f94a"
@@ -394,21 +406,6 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-11.11.3.tgz#7c6b0f8eaf16ae530795de2ad1b85d34bf2f5c58"
   integrity sha512-wp6IOGu1lxsfnrD+5mX6qwSwWuqsdkKKxTN4aQc4wByHAKZJf9/D4KXPQ1POUjEbnCP5LMggB0OEFNY9OTsMqg==
 
-"@types/pg-types@*":
-  version "1.11.4"
-  resolved "https://registry.yarnpkg.com/@types/pg-types/-/pg-types-1.11.4.tgz#8d7c59fb509ce3dca3f8bae589252051c639a9a8"
-  integrity sha512-WdIiQmE347LGc1Vq3Ki8sk3iyCuLgnccqVzgxek6gEHp2H0p3MQ3jniIHt+bRODXKju4kNQ+mp53lmP5+/9moQ==
-  dependencies:
-    moment ">=2.14.0"
-
-"@types/pg@^7.4.14":
-  version "7.4.14"
-  resolved "https://registry.yarnpkg.com/@types/pg/-/pg-7.4.14.tgz#8235910120e81ca671e0e62b7de77d048b9a22b2"
-  integrity sha512-2e4XapP9V/X42IGByC5IHzCzHqLLCNJid8iZBbkk6lkaDMvli8Rk62YE9wjGcLD5Qr5Zaw1ShkQyXy91PI8C0Q==
-  dependencies:
-    "@types/node" "*"
-    "@types/pg-types" "*"
-
 "@types/range-parser@*":
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.3.tgz#7ee330ba7caafb98090bece86a5ee44115904c2c"
@@ -697,6 +694,14 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+better-sqlite3@^5.4.3:
+  version "5.4.3"
+  resolved "https://registry.yarnpkg.com/better-sqlite3/-/better-sqlite3-5.4.3.tgz#2cb843ce14c56de9e9c0ca6b89844b7d4b5794b8"
+  integrity sha512-fPp+8f363qQIhuhLyjI4bu657J/FfMtgiiHKfaTsj3RWDkHlWC1yT7c6kHZDnBxzQVoAINuzg553qKmZ4F1rEw==
+  dependencies:
+    integer "^2.1.0"
+    tar "^4.4.10"
+
 body-parser@1.18.3:
   version "1.18.3"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.3.tgz#5b292198ffdd553b3a0f20ded0592b956955c8b4"
@@ -768,11 +773,6 @@ buffer-from@1.x, buffer-from@^1.0.0:
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
   integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
 
-buffer-writer@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/buffer-writer/-/buffer-writer-2.0.0.tgz#ce7eb81a38f7829db09c873f2fbb792c0c98ec04"
-  integrity sha512-a7ZpuTZU1TRtnwyCNW3I5dc0wWNC3VR9S++Ewyk2HHZdrO3CQJqSpd+95Us590V6AL7JqUAH2IwZ/398PmNFgw==
-
 builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -843,6 +843,11 @@ chalk@^2.4.2:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
+chownr@^1.1.1:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.3.tgz#42d837d5239688d55f303003a508230fa6727142"
+  integrity sha512-i70fVHhmV3DtTl6nqvZOnIjbY0Pe4kAUjwHj8z0zAdgBtYrJyYwLKCCuRBQ5ppkyL0AkN7HKRnETdmdp1zqNXw==
+
 ci-info@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-2.0.0.tgz#67a9e964be31a51e15e5010d58e6f12834002f46"
@@ -1462,6 +1467,13 @@ fresh@0.5.2:
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
   integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
 
+fs-minipass@^1.2.5:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
+  integrity sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==
+  dependencies:
+    minipass "^2.6.0"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -1682,6 +1694,11 @@ inherits@2, inherits@2.0.3, inherits@~2.0.3:
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
   integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
 
+integer@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/integer/-/integer-2.1.0.tgz#29134ea2f7ba3362ed4dbe6bcca992b1f18ff276"
+  integrity sha512-vBtiSgrEiNocWvvZX1RVfeOKa2mCHLZQ2p9nkQkQZ/BvEiY+6CcUz0eyjvIiewjJoeNidzg2I+tpPJvpyspL1w==
+
 invariant@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
@@ -2629,6 +2646,21 @@ minimist@~0.0.1:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
   integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
+minipass@^2.6.0, minipass@^2.8.6, minipass@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
+  integrity sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==
+  dependencies:
+    safe-buffer "^5.1.2"
+    yallist "^3.0.0"
+
+minizlib@^1.2.1:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
+  integrity sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==
+  dependencies:
+    minipass "^2.9.0"
+
 mixin-deep@^1.2.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
@@ -2637,18 +2669,13 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.x, mkdirp@^0.5.1:
+mkdirp@0.x, mkdirp@^0.5.0, mkdirp@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
   dependencies:
     minimist "0.0.8"
 
-moment@>=2.14.0:
-  version "2.24.0"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.24.0.tgz#0d055d53f5052aa653c9f6eb68bb5d12bf5c2b5b"
-  integrity sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==
-
 morgan@^1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.9.1.tgz#0a8d16734a1d9afbc824b99df87e738e58e2da59"
@@ -2901,11 +2928,6 @@ p-try@^2.0.0:
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.0.0.tgz#85080bb87c64688fa47996fe8f7dfbe8211760b1"
   integrity sha512-hMp0onDKIajHfIkdRk3P4CdCmErkYAxxDtP3Wx/4nZ3aGlau2VKh3mZpcuFkH27WQkL/3WBCPOktzA9ZOAnMQQ==
 
-packet-reader@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/packet-reader/-/packet-reader-1.0.0.tgz#9238e5480dedabacfe1fe3f2771063f164157d74"
-  integrity sha512-HAKu/fG3HpHFO0AA8WE8q2g+gBJaZ9MG7fcKk+IJPLTGAD6Psw4443l+9DGRbOIh3/aXr7Phy0TjilYivJo5XQ==
-
 parse-json@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
@@ -2971,52 +2993,6 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
-pg-connection-string@0.1.3:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/pg-connection-string/-/pg-connection-string-0.1.3.tgz#da1847b20940e42ee1492beaf65d49d91b245df7"
-  integrity sha1-2hhHsglA5C7hSSvq9l1J2RskXfc=
-
-pg-int8@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/pg-int8/-/pg-int8-1.0.1.tgz#943bd463bf5b71b4170115f80f8efc9a0c0eb78c"
-  integrity sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw==
-
-pg-pool@^2.0.4:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-2.0.6.tgz#7b561a482feb0a0e599b58b5137fd2db3ad8111c"
-  integrity sha512-hod2zYQxM8Gt482q+qONGTYcg/qVcV32VHVPtktbBJs0us3Dj7xibISw0BAAXVMCzt8A/jhfJvpZaxUlqtqs0g==
-
-pg-types@~2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/pg-types/-/pg-types-2.0.1.tgz#b8585a37f2a9c7b386747e44574799549e5f4933"
-  integrity sha512-b7y6QM1VF5nOeX9ukMQ0h8a9z89mojrBHXfJeSug4mhL0YpxNBm83ot2TROyoAmX/ZOX3UbwVO4EbH7i1ZZNiw==
-  dependencies:
-    pg-int8 "1.0.1"
-    postgres-array "~2.0.0"
-    postgres-bytea "~1.0.0"
-    postgres-date "~1.0.4"
-    postgres-interval "^1.1.0"
-
-pg@^7.10.0:
-  version "7.10.0"
-  resolved "https://registry.yarnpkg.com/pg/-/pg-7.10.0.tgz#2a359ee29ed1971344ac7f44317a9d1bcd80a8ff"
-  integrity sha512-aE6FZomsyn3OeGv1oM50v7Xu5zR75c15LXdOCwA9GGrfjXsQjzwYpbcTS6OwEMhYfZQS6m/FVU/ilPLiPzJDCw==
-  dependencies:
-    buffer-writer "2.0.0"
-    packet-reader "1.0.0"
-    pg-connection-string "0.1.3"
-    pg-pool "^2.0.4"
-    pg-types "~2.0.0"
-    pgpass "1.x"
-    semver "4.3.2"
-
-pgpass@1.x:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/pgpass/-/pgpass-1.0.2.tgz#2a7bb41b6065b67907e91da1b07c1847c877b306"
-  integrity sha1-Knu0G2BltnkH6R2hsHwYR8h3swY=
-  dependencies:
-    split "^1.0.0"
-
 pify@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
@@ -3046,28 +3022,6 @@ posix-character-classes@^0.1.0:
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
   integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
 
-postgres-array@~2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/postgres-array/-/postgres-array-2.0.0.tgz#48f8fce054fbc69671999329b8834b772652d82e"
-  integrity sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA==
-
-postgres-bytea@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/postgres-bytea/-/postgres-bytea-1.0.0.tgz#027b533c0aa890e26d172d47cf9ccecc521acd35"
-  integrity sha1-AntTPAqokOJtFy1Hz5zOzFIazTU=
-
-postgres-date@~1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/postgres-date/-/postgres-date-1.0.4.tgz#1c2728d62ef1bff49abdd35c1f86d4bdf118a728"
-  integrity sha512-bESRvKVuTrjoBluEcpv2346+6kgB7UlnqWZsnbnCccTNq/pqfj1j6oBaN5+b/NrDXepYUT/HKadqv3iS9lJuVA==
-
-postgres-interval@^1.1.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/postgres-interval/-/postgres-interval-1.2.0.tgz#b460c82cb1587507788819a06aa0fffdb3544695"
-  integrity sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==
-  dependencies:
-    xtend "^4.0.0"
-
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -3369,11 +3323,6 @@ sax@^1.2.4:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
   integrity sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg==
 
-semver@4.3.2:
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.2.tgz#c7a07158a80bedd052355b770d82d6640f803be7"
-  integrity sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c=
-
 send@0.16.2:
   version "0.16.2"
   resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
@@ -3567,13 +3516,6 @@ split-string@^3.0.1, split-string@^3.0.2:
   dependencies:
     extend-shallow "^3.0.0"
 
-split@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/split/-/split-1.0.1.tgz#605bd9be303aa59fb35f9229fbea0ddec9ea07d9"
-  integrity sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==
-  dependencies:
-    through "2"
-
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -3726,6 +3668,19 @@ symbol-tree@^3.2.2:
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
   integrity sha1-rifbOPZgp64uHDt9G8KQgZuFGeY=
 
+tar@^4.4.10:
+  version "4.4.13"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
+  integrity sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==
+  dependencies:
+    chownr "^1.1.1"
+    fs-minipass "^1.2.5"
+    minipass "^2.8.6"
+    minizlib "^1.2.1"
+    mkdirp "^0.5.0"
+    safe-buffer "^5.1.2"
+    yallist "^3.0.3"
+
 test-exclude@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-5.1.0.tgz#6ba6b25179d2d38724824661323b73e03c0c1de1"
@@ -3741,11 +3696,6 @@ throat@^4.0.0:
   resolved "https://registry.yarnpkg.com/throat/-/throat-4.1.0.tgz#89037cbc92c56ab18926e6ba4cbb200e15672a6a"
   integrity sha1-iQN8vJLFarGJJua6TLsgDhVnKmo=
 
-through@2:
-  version "2.3.8"
-  resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
-  integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
-
 tmpl@1.0.x:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/tmpl/-/tmpl-1.0.4.tgz#23640dd7b42d00433911140820e5cf440e521dd1"
@@ -4084,16 +4034,16 @@ xml-name-validator@^3.0.0:
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a"
   integrity sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==
 
-xtend@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
-  integrity sha1-pcbVMr5lbiPbgg77lDofBJmNY68=
-
 "y18n@^3.2.1 || ^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
   integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
 
+yallist@^3.0.0, yallist@^3.0.3:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
+  integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
+
 yargs-parser@10.x:
   version "10.1.0"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-10.1.0.tgz#7202265b89f7e9e9f2e5765e0fe735a905edbaa8"