diff --git a/HISTORY.md b/HISTORY.md
index 5eb08748..b0945ca3 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,9 @@
+v1.0.0-alpha4 (2015-4-13)
+-----------
+* sproto can share c struct between states
+* udp api changed (use lua string now)
+* fix memory leak in dns module
+
 v1.0.0-alpha3 (2015-3-30)
 -----------
 * Update sproto (bugfix)