diff --git a/ChangeLog b/ChangeLog
index 30cdf7a6..3f376de6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-2016.05.17, Version 1.9.1 (Stable)
+2016.05.17, Version 1.9.1 (Stable), d989902ac658b4323a4f4020446e6f4dc449e25c
 
 Changes since version 1.9.0: