diff --git a/README.md b/README.md
index 433cfca13..b24f8f8df 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,12 @@ sips -s format png ./sundae.gif --out .
 npm run add-badge -- sundae "4v4 Sundaes"
 ```
 
+### Rename display name of a badge
+
+```bash
+npm run rename-badge -- sundae "New 4v4 Sundaes"
+```
+
 ### Convert many .png files to .avif
 
 While in the folder with the images:
diff --git a/package.json b/package.json
index 6da6484e4..7f8ea7858 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
     "migrate:cypress": "cross-env DB_PATH=db-cypress.sqlite3 ley",
     "migrate:reset": "node scripts/delete-db-files.mjs && npm run migrate && npm run seed",
     "add-badge": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register scripts/add-badge.ts",
+    "rename-badge": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register scripts/rename-badge.ts",
     "create-weapon-json": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register scripts/create-weapon-json.ts",
     "create-gear-json": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register scripts/create-gear-json.ts",
     "create-analyzer-json": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register scripts/create-analyzer-json.ts",
diff --git a/scripts/rename-badge.ts b/scripts/rename-badge.ts
new file mode 100644
index 000000000..f31d22fb8
--- /dev/null
+++ b/scripts/rename-badge.ts
@@ -0,0 +1,20 @@
+/* eslint-disable no-console */
+import "dotenv/config";
+import invariant from "tiny-invariant";
+import { sql } from "~/db/sql";
+
+const code = process.argv[2]?.trim();
+const newName = process.argv[3]?.trim();
+
+invariant(code, "code of badge is required (argument 1)");
+invariant(newName, "display name of badge is required (argument 2)");
+invariant(
+  newName !== newName.toLocaleLowerCase(),
+  "displayName of badge must have at least one uppercase letter"
+);
+
+sql
+  .prepare("update badge set displayName = @newName where code = @code")
+  .run({ code, newName });
+
+console.log(`Added updated name. New name: ${newName}`);