diff --git a/CHANGELOG.md b/CHANGELOG.md
index 75ee05cb..9c6b1e5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
-## 0.5.0 - ??
+## 0.5.0 - 2019-05-09
 - Fix some bugs with buffers.
 - Add `trace` and `untrace` to the core library.
 - Add `string/has-prefix?` and `string/has-suffix?` to string module.