diff --git a/catalog/update-catalog.py b/catalog/update-catalog.py
index d7e4eb1..194c9df 100755
--- a/catalog/update-catalog.py
+++ b/catalog/update-catalog.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#! /usr/bin/env python3
 
 import argparse
 import datetime