diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7dd177e..12ece24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## [Unreleased]
 
-## [4.0.0]
+## [4.0.0] - 2018-12-05
 ### Notes
 I am seperating the larger dapurware classes into their own packages as I would liek to develop them out a little more.