diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb2f73b..1f67ab5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
-## v0.11.0
+## v0.12.0
+
+- feat: Initial support of complex schema with manually-added `oneOf`
+  [#174](/~https://github.com/exoego/rspec-openapi/pull/174)
+- chore: Test with Ruby 3.3 and Rails 7.1.x 
+  [#169](/~https://github.com/exoego/rspec-openapi/pull/169)
 
-## What's Changed
+## v0.11.0
 - feat: Allow path-based config overrides
   [#162](/~https://github.com/exoego/rspec-openapi/pull/162)
 - enhancement: Sort HTTP methods, response status codes, and contents lexicographically
diff --git a/lib/rspec/openapi/version.rb b/lib/rspec/openapi/version.rb
index 2d03306..3a027f4 100644
--- a/lib/rspec/openapi/version.rb
+++ b/lib/rspec/openapi/version.rb
@@ -2,6 +2,6 @@
 
 module RSpec
   module OpenAPI
-    VERSION = '0.11.0'
+    VERSION = '0.12.0'
   end
 end