diff --git a/zcutil/release-notes.py b/zcutil/release-notes.py
index 8456005dd..fdd23cf42 100755
--- a/zcutil/release-notes.py
+++ b/zcutil/release-notes.py
@@ -1,3 +1,4 @@
+#! /usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 import re, os, os.path