diff --git a/clients/ruby/CHANGELOG.md b/clients/ruby/CHANGELOG.md
index 189174737..e09e986a5 100644
--- a/clients/ruby/CHANGELOG.md
+++ b/clients/ruby/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [4.0.0](https://github.com/phrase/openapi/compare/ruby-v3.7.1...ruby-v4.0.0) (2024-12-18)
+
+
+### ⚠ BREAKING CHANGES
+
+* Remove old Git sync endpoints. Replaced with new repo sync ([#735](https://github.com/phrase/openapi/issues/735))
+
+### Features
+
+* **API:** Add 'default_encoding' documentation ([#733](https://github.com/phrase/openapi/issues/733)) ([0139c51](https://github.com/phrase/openapi/commit/0139c51da747fbe7bc9929bcf3534aad7f22f39a))
+* Remove old Git sync endpoints. Replaced with new repo sync ([#735](https://github.com/phrase/openapi/issues/735)) ([c3bd8ec](https://github.com/phrase/openapi/commit/c3bd8eccaabcfa1b1066ea4438971ac59833af46))
+
 ## [3.7.1](https://github.com/phrase/openapi/compare/ruby-v3.7.0...ruby-v3.7.1) (2024-12-09)
 
 
diff --git a/openapi-generator/ruby_lang.yaml b/openapi-generator/ruby_lang.yaml
index 66b3f600d..66d6ee99a 100644
--- a/openapi-generator/ruby_lang.yaml
+++ b/openapi-generator/ruby_lang.yaml
@@ -3,7 +3,7 @@ generatorName: ruby
 outputDir: clients/ruby
 moduleName: Phrase
 gemName: phrase
-gemVersion: 3.7.1
+gemVersion: 4.0.0
 gemDescription: Phrase Strings is a translation management platform for software projects.
 gemSummary: >-
   You can collaborate on language file translation with your team or order
diff --git a/release-please/manifest-ruby.json b/release-please/manifest-ruby.json
index c0786b3c0..127ac87b5 100644
--- a/release-please/manifest-ruby.json
+++ b/release-please/manifest-ruby.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.7.1"
+  ".": "4.0.0"
 }
\ No newline at end of file