diff --git a/tools/feature-flags.py b/tools/feature-flags.py
index 4887fa4a8..921f93b31 100755
--- a/tools/feature-flags.py
+++ b/tools/feature-flags.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Usage: run this script and copy the output to etc/kayobe/kolla.yml