diff --git a/README.md b/README.md
index 6d83c08776..2c50c8f920 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,8 @@ Release History
 * 2.2.1, August 12, 2015
 * 2.2.2, August 19, 2015
 * 2.3.0, September 22, 2015
+* 2.3.1, October 2, 2015
+* 2.4.0, November 14, 2015
 
 Any fixes should be applied on the appropriate release branch and be cherry-picked to
 master.