diff --git a/.github/release-please/release-please-manifest.json b/.github/release-please/release-please-manifest.json
index 629500d8d9..c4ebfc653b 100644
--- a/.github/release-please/release-please-manifest.json
+++ b/.github/release-please/release-please-manifest.json
@@ -4,7 +4,7 @@
   "lib/flattening": "0.2.0",
   "lib/identifier": "0.4.0",
   "otdfctl": "0.37.0",
-  "protocol/go": "0.41.0",
+  "protocol/go": "0.42.0",
   "sdk": "0.32.0",
   "service": "0.26.0"
 }
\ No newline at end of file
diff --git a/protocol/go/CHANGELOG.md b/protocol/go/CHANGELOG.md
index 19b133850e..25e9c4ba05 100644
--- a/protocol/go/CHANGELOG.md
+++ b/protocol/go/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.42.0](https://github.com/opentdf/platform/compare/protocol/go/v0.41.0...protocol/go/v0.42.0) (2026-09-18)
+
+
+### Bug Fixes
+
+* **deps:** bump google.golang.org/grpc from 1.83.0 to 1.83.1 in /protocol/go ([#3958](https://github.com/opentdf/platform/issues/3958)) ([7270831](https://github.com/opentdf/platform/commit/72708312adc80ed25fffd764afb3ab6109361ca4))
+* **deps:** bump google.golang.org/grpc from 1.83.1 to 1.83.2 in /protocol/go ([#4015](https://github.com/opentdf/platform/issues/4015)) ([6b581f3](https://github.com/opentdf/platform/commit/6b581f31d2d220475169c8fd4b47e5b52d67cb26))
+
 ## [0.41.0](https://github.com/opentdf/platform/compare/protocol/go/v0.40.0...protocol/go/v0.41.0) (2026-08-13)