diff --git a/CHANGELOG.md b/CHANGELOG.md
index deca765fa..9deff5a0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,18 @@ Changelog
 
 All notable changes to this project will be documented in this file.
 
+## [3.4.5] - 2022-01-31
+### Added
+- Add more advanced migration tests ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/17393))
+- Add github workflow to build Docker images ([unasuke](https://github.com/mastodon/mastodon/pull/16973), [Gargron](https://github.com/mastodon/mastodon/pull/16980), [Gargron](https://github.com/mastodon/mastodon/pull/17000))
+
+### Fixed
+- Fix some old migrations failing when skipping releases ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/17394))
+- Fix migrations script failing in certain edge cases ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/17398))
+- Fix Docker build ([tribela](https://github.com/mastodon/mastodon/pull/17188))
+- Fix Ruby 3.0 dependencies ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/16723))
+- Fix followers synchronization mechanism ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/16510))
+
 ## [3.4.4] - 2021-11-26
 ### Fixed
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 52eea7a74..288a4fdf6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -43,7 +43,7 @@ services:
 
   web:
     build: .
-    image: tootsuite/mastodon
+    image: tootsuite/mastodon:v3.4.5
     restart: always
     env_file: .env.production
     command: bash -c "rm -f /mastodon/tmp/pids/server.pid; bundle exec rails s -p 3000"
@@ -63,7 +63,7 @@ services:
 
   streaming:
     build: .
-    image: tootsuite/mastodon
+    image: tootsuite/mastodon:v3.4.5
     restart: always
     env_file: .env.production
     command: node ./streaming
@@ -80,7 +80,7 @@ services:
 
   sidekiq:
     build: .
-    image: tootsuite/mastodon
+    image: tootsuite/mastodon:v3.4.5
     restart: always
     env_file: .env.production
     command: bundle exec sidekiq
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 493479977..1ba45aeca 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      4
+      5
     end
 
     def flags