diff --git a/projects/03_coffee_shop_full_stack/Coffee/backend/requirements.txt b/projects/03_coffee_shop_full_stack/Coffee/backend/requirements.txt
old mode 100755
new mode 100644
index ea86d199..fee243c7
--- a/projects/03_coffee_shop_full_stack/Coffee/backend/requirements.txt
+++ b/projects/03_coffee_shop_full_stack/Coffee/backend/requirements.txt
@@ -18,4 +18,4 @@ SQLAlchemy==1.3.3
 typed-ast==1.3.5
 Werkzeug==0.15.2
 wrapt==1.11.1
-Flask-Cors==3.0.8
\ No newline at end of file
+Flask-Cors==3.0.9
\ No newline at end of file