diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7da9d4d4..796a71447 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,9 @@
 
 <!--next-version-placeholder-->
 
+## v0.5.0 (2020-12-10)
+
+
 ## v0.4.0 (2020-11-24)
 ### Feature
 * Validation of duplicates now uses object factory (#216) ([`cf00f8b`](https://github.com/IBM/compliance-trestle/commit/cf00f8bb0ea4f0a7c039e1399525ede8d8d0ace8))
diff --git a/trestle/__init__.py b/trestle/__init__.py
index 64e613275..f30ae4e43 100644
--- a/trestle/__init__.py
+++ b/trestle/__init__.py
@@ -23,4 +23,4 @@
 opinionated approach to OSCAL adoption.
 """
 
-__version__ = '0.4.0'
+__version__ = '0.5.0'