diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9db5bc8d53..16285d46f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## master (unreleased)
 
+## 2.12.4 (2021-10-16)
+
 ### Bug fixes
 
 * [#573](https://github.com/rubocop/rubocop-rails/pull/573): Fix an error for `Rails/FindEach` when using `where` with no receiver. ([@koic][])
diff --git a/docs/antora.yml b/docs/antora.yml
index 34b6c248ba..9317e6f5fa 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -2,6 +2,6 @@ name: rubocop-rails
 title: RuboCop Rails
 # We always provide version without patch here (e.g. 1.1),
 # as patch versions should not appear in the docs.
-version: master
+version: '2.12'
 nav:
   - modules/ROOT/nav.adoc
diff --git a/lib/rubocop/rails/version.rb b/lib/rubocop/rails/version.rb
index 124207e71d..bbeb58e65c 100644
--- a/lib/rubocop/rails/version.rb
+++ b/lib/rubocop/rails/version.rb
@@ -4,7 +4,7 @@ module RuboCop
   module Rails
     # This module holds the RuboCop Rails version information.
     module Version
-      STRING = '2.12.3'
+      STRING = '2.12.4'
 
       def self.document_version
         STRING.match('\d+\.\d+').to_s
diff --git a/relnotes/v2.12.4.md b/relnotes/v2.12.4.md
new file mode 100644
index 0000000000..33bfa9e1bb
--- /dev/null
+++ b/relnotes/v2.12.4.md
@@ -0,0 +1,5 @@
+### Bug fixes
+
+* [#573](https://github.com/rubocop/rubocop-rails/pull/573): Fix an error for `Rails/FindEach` when using `where` with no receiver. ([@koic][])
+
+[@koic]: https://github.com/koic