diff --git a/CHANGELOG.md b/CHANGELOG.md
index c145486..a3a2b0a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [v0.5.1]
+ - Create timestamp if it doesn't exist in payload
+ - If request for acquiring SAT for webhook registration receives a non 200, return an error
+ - Bumped codex-common to v0.3.3
+
+
+
 ## [v0.5.0]
 - Added Blacklist
 - Removed pruning
@@ -83,7 +90,8 @@ Bug Fix Caduceus config loading
 - Initial creation
 - Bumped codex version, modified code to match changes
 
-[Unreleased]: https://github.com/Comcast/codex-svalinn/compare/v0.5.0...HEAD
+[Unreleased]: https://github.com/Comcast/codex-svalinn/compare/v0.5.1...HEAD
+[v0.5.1]: https://github.com/Comcast/codex-svalinn/compare/v0.5.0...v0.5.1
 [v0.5.0]: https://github.com/Comcast/codex-svalinn/compare/v0.4.0...v0.5.0
 [v0.4.0]: https://github.com/Comcast/codex-svalinn/compare/v0.3.0...v0.4.0
 [v0.3.0]: https://github.com/Comcast/codex-svalinn/compare/v0.2.7...v0.3.0
diff --git a/release_notes.md b/release_notes.md
index 9769ac6..8b13789 100644
--- a/release_notes.md
+++ b/release_notes.md
@@ -1,3 +1 @@
- - Create timestamp if it doesn't exist in payload
- - If request for acquiring SAT for webhook registration receives a non 200, return an error
- - Bumped codex-common to v0.3.3
+