diff --git a/fake_smtp.py b/fake_smtp.py
index b9e97ef..0e96e2e 100755
--- a/fake_smtp.py
+++ b/fake_smtp.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import ssl
 from pathlib import Path
 import importlib
diff --git a/mail_to_misp.py b/mail_to_misp.py
index 35b1c3e..5373461 100755
--- a/mail_to_misp.py
+++ b/mail_to_misp.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 import os