diff --git a/README.md b/README.md
index 266c6cad2f..b16ea64a95 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,10 @@ Release History
 * 2.1.2, March 25, 2015
 * 2.1.3, April 15, 2015
 * 2.1.4, June 12, 2015
+* 2.2.0, July 14, 2015
+* 2.2.1, August 12, 2015
+* 2.2.2, August 19, 2015
+* 2.3.0, September 22, 2015
 
 Any fixes should be applied on the appropriate release branch and be cherry-picked to
 master.