diff --git a/test/run_tests.py b/test/run_tests.py
index d52209d..09b68a2 100644
--- a/test/run_tests.py
+++ b/test/run_tests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import shutil