diff --git a/write_file_to_riskset.py b/write_file_to_riskset.py
index ff15634..8cafe11 100755
--- a/write_file_to_riskset.py
+++ b/write_file_to_riskset.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import base64
 import json