diff --git a/scripts/versionbump.py b/scripts/versionbump.py
old mode 100644
new mode 100755
index 2704cb6cb..df8e00028
--- a/scripts/versionbump.py
+++ b/scripts/versionbump.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 import argparse
 import re
 import subprocess