diff --git a/CHANGELOG b/CHANGELOG
index 569e2c7d7..64a8c1e40 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -15,6 +15,11 @@ This project _loosely_ adheres to [Semantic Versioning](https://semver.org/spec/
 
 ### Fixed
 
+## [0.5.1] - 25/07/2023
+
+### Fixed
+ - Added missing Prolog declarations for new SDNA predicates `collection_adder/collection_remover`, fixing breaking apps using SDNA Subject Classes that don't have collections defined [PR#398](https://github.com/coasys/ad4m/pull/398)
+ - Replaced old and depreciated link to AD4Min launcher in docs with link to ADAM Launcher releases [PR#393](https://github.com/coasys/ad4m/pull/393)
 ## [0.5.0] - 10/07/2023
 
 ### Added