diff --git a/ChangeLog b/ChangeLog
index f490dbf..a9b9b8f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,10 @@
 ChangeLog
 ============
 
+- 0.27.0
+
+  - refactoring.
+
 - 0.26.0
 
   - all WebSocketException provide message string (#152)