diff --git a/CHANGELOG.md b/CHANGELOG.md
index 383dc75c6b..a7e1798cda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 All notable changes to this project will be documented in this file.
 
+## [4.2.18] - 2025-03-10
+
+### Changed
+
+- Change hashtag suggestion to prefer personal history capitalization (#34070 by @ClearlyClaire)
+
+### Fixed
+
+- Fix processing errors for some HEIF images from iOS 18 (#34086 by @renchap)
+- Fix streaming server not filtering unknown-language posts from public timelines (#33774 by @ClearlyClaire)
+
 ## [4.2.17] - 2025-02-27
 
 ### Security
diff --git a/docker-compose.yml b/docker-compose.yml
index 6b9ba4f1e8..fa1fa1c409 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -56,7 +56,7 @@ services:
 
   web:
     build: .
-    image: ghcr.io/mastodon/mastodon:v4.2.17
+    image: ghcr.io/mastodon/mastodon:v4.2.18
     restart: always
     env_file: .env.production
     command: bash -c "rm -f /mastodon/tmp/pids/server.pid; bundle exec rails s -p 3000"
@@ -77,7 +77,7 @@ services:
 
   streaming:
     build: .
-    image: ghcr.io/mastodon/mastodon:v4.2.17
+    image: ghcr.io/mastodon/mastodon:v4.2.18
     restart: always
     env_file: .env.production
     command: node ./streaming
@@ -95,7 +95,7 @@ services:
 
   sidekiq:
     build: .
-    image: ghcr.io/mastodon/mastodon:v4.2.17
+    image: ghcr.io/mastodon/mastodon:v4.2.18
     restart: always
     env_file: .env.production
     command: bundle exec sidekiq
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 87d372ae49..55961d2848 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      17
+      18
     end
 
     def default_prerelease