diff --git a/contrib/sign_packages b/contrib/sign_packages
index d11ef5fc3..ea7ab22e7 100755
--- a/contrib/sign_packages
+++ b/contrib/sign_packages
@@ -1,5 +1,4 @@
-#!/usr/bin/python2
-
+#!/usr/bin/env python3
 import os
 import getpass