diff --git a/Willow_Cypher_Coding_Challenge.py b/Willow_Cypher_Coding_Challenge.py
old mode 100644
new mode 100755
index b5f25cf..aa29c46
--- a/Willow_Cypher_Coding_Challenge.py
+++ b/Willow_Cypher_Coding_Challenge.py
@@ -1,3 +1,4 @@
+#!/bin/python3
 """
 Author: Willow Behar
 Date Created: 10/16/20