diff --git a/CHANGELOG.md b/CHANGELOG.md
index 247304182d8..e1a3aa050ff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [4.5.15] - 2026-08-06
+
+- Fix typo in embedded quote handling code (#40049 by @shleeable)
+- Fix account merging worker incorrectly merging `Appeal` and `AccountWarning` records (#39982 by @shleeable)
+- Fix off-by-one in handling of updated remote posts allowing up to 5 attachments (#39978 by @shleeable)
+
 ## [4.5.14] - 2026-07-27
 
 ### Security
diff --git a/docker-compose.yml b/docker-compose.yml
index b8fc230a01b..ee69cbfc148 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -59,7 +59,7 @@ services:
   web:
     # You can uncomment the following line if you want to not use the prebuilt image, for example if you have local code changes
     # build: .
-    image: ghcr.io/mastodon/mastodon:v4.5.14
+    image: ghcr.io/mastodon/mastodon:v4.5.15
     restart: always
     env_file: .env.production
     command: bundle exec puma -C config/puma.rb
@@ -83,7 +83,7 @@ services:
     # build:
     #   dockerfile: ./streaming/Dockerfile
     #   context: .
-    image: ghcr.io/mastodon/mastodon-streaming:v4.5.14
+    image: ghcr.io/mastodon/mastodon-streaming:v4.5.15
     restart: always
     env_file: .env.production
     command: node ./streaming/index.js
@@ -102,7 +102,7 @@ services:
   sidekiq:
     # You can uncomment the following line if you want to not use the prebuilt image, for example if you have local code changes
     # build: .
-    image: ghcr.io/mastodon/mastodon:v4.5.14
+    image: ghcr.io/mastodon/mastodon:v4.5.15
     restart: always
     env_file: .env.production
     command: bundle exec sidekiq
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 574cbd4a05d..b43f20a9596 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      14
+      15
     end
 
     def default_prerelease