diff --git a/CHANGELOG.md b/CHANGELOG.md
index dba0ca6e7..468b927db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## master (unreleased)
 
+## 1.33.0 (2024-10-29)
+
 ### New features
 
 * [#203](https://github.com/rubocop-hq/rubocop-ast/pull/203): Add classes for `masgn` and `mlhs` nodes. ([@dvandersluis][])
diff --git a/docs/antora.yml b/docs/antora.yml
index 6c5a3e120..628efba4c 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -1,5 +1,5 @@
 name: rubocop-ast
 title: RuboCop AST
-version: master
+version: '1.33'
 nav:
   - modules/ROOT/nav.adoc
diff --git a/lib/rubocop/ast/version.rb b/lib/rubocop/ast/version.rb
index 49830bc41..b2712b53e 100644
--- a/lib/rubocop/ast/version.rb
+++ b/lib/rubocop/ast/version.rb
@@ -3,7 +3,7 @@
 module RuboCop
   module AST
     module Version
-      STRING = '1.32.3'
+      STRING = '1.33.0'
     end
   end
 end