diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
index b9fa6010955..d1c6cf5f3b3 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -38,7 +38,7 @@ output by `rubocop -V`, include them as well. Here's an example:
 
 ```
 $ [bundle exec] rubocop -V
-1.31.0 (using Parser 2.7.2.0, rubocop-ast 1.1.1, running on ruby 2.7.2 x86_64-linux)
+1.31.1 (using Parser 2.7.2.0, rubocop-ast 1.1.1, running on ruby 2.7.2 x86_64-linux)
   - rubocop-performance 1.9.1
   - rubocop-rspec 2.0.0
 ```
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ff8fa9e27e..4cc87ad6d66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## master (unreleased)
 
+## 1.31.1 (2022-06-29)
+
 ### Bug fixes
 
 * [#10763](https://github.com/rubocop/rubocop/issues/10763): Fix a false positive for `Layout/LineContinuationSpacing` when using continuation keyword `\` after `__END__`. ([@koic][])
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8296e3f93ff..b598ccad55f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -17,7 +17,7 @@ do so.
 
 ```
 $ rubocop -V
-1.31.0 (using Parser 2.7.2.0, rubocop-ast 1.1.1, running on ruby 2.7.2 x86_64-linux)
+1.31.1 (using Parser 2.7.2.0, rubocop-ast 1.1.1, running on ruby 2.7.2 x86_64-linux)
   - rubocop-performance 1.9.1
   - rubocop-rspec 2.0.0
 ```
diff --git a/docs/antora.yml b/docs/antora.yml
index 9c897ea03d1..a61c19794ad 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -2,6 +2,6 @@ name: rubocop
 title: RuboCop
 # We always provide version without patch here (e.g. 1.1),
 # as patch versions should not appear in the docs.
-version: ~
+version: '1.31'
 nav:
   - modules/ROOT/nav.adoc
diff --git a/docs/modules/ROOT/pages/cops_lint.adoc b/docs/modules/ROOT/pages/cops_lint.adoc
index 3f443ebe37c..09083aae719 100644
--- a/docs/modules/ROOT/pages/cops_lint.adoc
+++ b/docs/modules/ROOT/pages/cops_lint.adoc
@@ -2875,6 +2875,9 @@ Checks for literals used as the conditions or as
 operands in and/or expressions serving as the conditions of
 if/while/until/case-when/case-in.
 
+NOTE: Literals in `case-in` condition where the match variable is used in
+`in` are accepted as a pattern matching.
+
 === Examples
 
 [source,ruby]
diff --git a/lib/rubocop/version.rb b/lib/rubocop/version.rb
index aba42eb64dd..b48ecfa4b6f 100644
--- a/lib/rubocop/version.rb
+++ b/lib/rubocop/version.rb
@@ -3,7 +3,7 @@
 module RuboCop
   # This module holds the RuboCop version information.
   module Version
-    STRING = '1.31.0'
+    STRING = '1.31.1'
 
     MSG = '%<version>s (using Parser %<parser_version>s, ' \
           'rubocop-ast %<rubocop_ast_version>s, ' \
diff --git a/relnotes/v1.31.1.md b/relnotes/v1.31.1.md
new file mode 100644
index 00000000000..47c434b901a
--- /dev/null
+++ b/relnotes/v1.31.1.md
@@ -0,0 +1,12 @@
+### Bug fixes
+
+* [#10763](https://github.com/rubocop/rubocop/issues/10763): Fix a false positive for `Layout/LineContinuationSpacing` when using continuation keyword `\` after `__END__`. ([@koic][])
+* [#10755](https://github.com/rubocop/rubocop/issues/10755): Fix a false positive for `Lint/LiteralAsCondition` when using a literal in `case-in` condition where the match variable is used in `in` are accepted as a pattern matching. ([@koic][])
+* [#10760](https://github.com/rubocop/rubocop/issues/10760): Fix a false positive for `Lint/NonAtomicFileOperation` when using `FileTest.exist?` with `if` condition that has `else` branch. ([@koic][])
+* [#10745](https://github.com/rubocop/rubocop/issues/10745): Require JSON 2.3 or higher to fix an incompatible JSON API error. ([@koic][])
+* [#10754](https://github.com/rubocop/rubocop/issues/10754): Fix an incorrect autocorrect for `Style/HashExcept` when using a non-literal collection receiver for `include?`. ([@koic][])
+* [#10751](https://github.com/rubocop/rubocop/issues/10751): Fix autocorrect for Layout/FirstHashElementIndentation. ([@j-miyake][])
+* [#10750](https://github.com/rubocop/rubocop/pull/10750): Recover 7x slow running `rubocop`. ([@koic][])
+
+[@koic]: https://github.com/koic
+[@j-miyake]: https://github.com/j-miyake