diff --git a/CHANGELOG.md b/CHANGELOG.md
index bef0561d..1b91000a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 0.5.1 - TBD
+## 0.5.1 - May 24, 2017
 
 The main focus of `0.5.1` is performance but this is also the first release to provide installation instructions for both Windows and Mac.