diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 21c9b03ad..8314df3fb 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -2,7 +2,7 @@
   "lib/fixtures": "0.2.7",
   "lib/ocrypto": "0.1.5",
   "lib/flattening": "0.1.1",
-  "protocol/go": "0.2.7",
+  "protocol/go": "0.2.8",
   "sdk": "0.2.9",
   "service": "0.4.9"
 }
diff --git a/protocol/go/CHANGELOG.md b/protocol/go/CHANGELOG.md
index d1e2e6389..1f053241f 100644
--- a/protocol/go/CHANGELOG.md
+++ b/protocol/go/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.2.8](https://github.com/opentdf/platform/compare/protocol/go/v0.2.7...protocol/go/v0.2.8) (2024-07-09)
+
+
+### Features
+
+* **core:** CONTAINS SubjectMapping Operator ([#1109](https://github.com/opentdf/platform/issues/1109)) ([65cd4af](https://github.com/opentdf/platform/commit/65cd4af366d2d6d17ad72157d5d4d31f6620cc1f))
+
 ## [0.2.7](https://github.com/opentdf/platform/compare/protocol/go/v0.2.6...protocol/go/v0.2.7) (2024-07-03)