diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9bf3cbdd..3be1c85b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
 
+# 16/04/17 version 1.1.1
+
+  * bug fix: incorrect array index during invocation processig
+  * bug fix: websocket client was not apply frame mask (issue by user 'petten')
+  * feature: admin tool can use either websocket or rawsocket
+
 # 2017-04-14 version 1.1.0
 
   * new feature, TLS/SSL support using OpenSSL, in both client and server mode