diff --git a/clients/cli/go.mod b/clients/cli/go.mod
index 98267912..50818c1d 100644
--- a/clients/cli/go.mod
+++ b/clients/cli/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/daviddengcn/go-colortext v1.0.0
 	github.com/jpillora/backoff v1.0.0
 	github.com/mitchellh/mapstructure v1.5.0
-	github.com/phrase/phrase-go/v4 v4.20.0 // x-release-please-version
+	github.com/phrase/phrase-go/v4 v4.21.0 // x-release-please-version
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/viper v1.7.1
 	gopkg.in/yaml.v2 v2.4.0
diff --git a/clients/go/CHANGELOG.md b/clients/go/CHANGELOG.md
index 6ccbb739..93a80a8e 100644
--- a/clients/go/CHANGELOG.md
+++ b/clients/go/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [4.21.0](https://github.com/phrase/strings-openapi/compare/go-v4.20.0...go-v4.21.0) (2026-04-01)
+
+
+### Features
+
+* **API:** Add missing project & job params ([#1065](https://github.com/phrase/strings-openapi/issues/1065)) ([0df6013](https://github.com/phrase/strings-openapi/commit/0df6013f919fdb763c15a1192372e1e5dc743a58))
+* **API:** Extend exposed project settings ([#1071](https://github.com/phrase/strings-openapi/issues/1071)) ([b93ce3b](https://github.com/phrase/strings-openapi/commit/b93ce3be6194f8e7df2170aa3bab6c6d0578d7ec))
+* **API:** RepoSync export: optional branch parameter ([#1050](https://github.com/phrase/strings-openapi/issues/1050)) ([07b3182](https://github.com/phrase/strings-openapi/commit/07b31825bfa648d7c7578c86a31c2dd31583090d))
+
 ## [4.20.0](https://github.com/phrase/strings-openapi/compare/go-v4.19.0...go-v4.20.0) (2026-03-13)
 
 
diff --git a/openapi-generator/go_lang.yaml b/openapi-generator/go_lang.yaml
index 5d38be30..b796c884 100644
--- a/openapi-generator/go_lang.yaml
+++ b/openapi-generator/go_lang.yaml
@@ -2,7 +2,7 @@
 generatorName: go
 outputDir: clients/go
 packageName: phrase
-packageVersion: 4.20.0
+packageVersion: 4.21.0
 gitUserId: phrase
 gitRepoId: phrase-go
 httpUserAgent: Phrase Strings go
diff --git a/release-please/manifest-go.json b/release-please/manifest-go.json
index 88e4c443..b9e06599 100644
--- a/release-please/manifest-go.json
+++ b/release-please/manifest-go.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.20.0"
+  ".": "4.21.0"
 }
\ No newline at end of file