diff --git a/History.md b/History.md
index a6d1a57..35ccfc9 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,4 @@
-0.4.0 / HEAD
+0.4.0 / 2015-07-24
 ==================
 
 * Add ml.SL.PLS