Update README.md

Author: Blair Vanderhoof

README.md

@@ -43,6 +43,11 @@ See http://blairvanderhoof.com/gist-embed/ for all possible ways to use gist-emb
 
 ###Change log
 
+####Version 2.6 (Sep 4, 2016)
+* Now you can enable caching with data-gist-enable-cache="true". Future requests of the same gist won't hit the server!
+* https://github.com/blairvanderhoof/gist-embed/pull/55
+* Thanks @kiran3807
+
 ####Version 2.5 (July 6, 2015)
 * Merged pull request https://github.com/blairvanderhoof/gist-embed/pull/53
 * You can now specify a callback when your gist is finished loading. Thanks @jackycute!