diff --git a/examples/python-interop/main.py b/examples/python-interop/main.py
index 641ac6d..4071fd3 100755
--- a/examples/python-interop/main.py
+++ b/examples/python-interop/main.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 from datetime import timedelta
 from pathlib import Path
 import ipaddress