diff --git a/ChangeLog.rst b/ChangeLog.rst
index 9548bebf..339d19f9 100644
--- a/ChangeLog.rst
+++ b/ChangeLog.rst
@@ -1,3 +1,7 @@
+3.3.1
+-----
+* Remove unused files in distribute package
+
 3.3.0
 -----
 In this version, new obfuscate mode 7 and 8 are introduced. The main