diff --git a/post_dr_comment.py b/post_dr_comment.py
old mode 100644
new mode 100755
index 2452289..0b1b5da
--- a/post_dr_comment.py
+++ b/post_dr_comment.py
@@ -1,3 +1,5 @@
+#! /usr/bin/env -S python3
+
 """
 post_dr_comment.py: Post a comment to an AllSpice Hub Design Review.
 """