diff --git a/get_metrics.py b/get_metrics.py
old mode 100644
new mode 100755
index 4f6fbb2..b744c4b
--- a/get_metrics.py
+++ b/get_metrics.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import argparse
 import subprocess
 from typing import Iterable, List, Tuple