diff --git a/HISTORY.md b/HISTORY.md
index 690b76806..e7771ed53 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,8 @@
+v0.7.4 (2014-10-13)
+-----------
+* Bugfix : clear coroutine pool when GC
+* hotfix : A bug introduce by 0.7.3 
+
 v0.7.3 (2014-10-13)
 -----------
 * Add some logs (warning) when overload