diff --git a/Exercise01/requirements.txt b/Exercise01/requirements.txt
index 65af64b..ed55773 100644
--- a/Exercise01/requirements.txt
+++ b/Exercise01/requirements.txt
@@ -15,7 +15,7 @@ entrypoints==0.3
 Flask==1.1.1
 Flask-API==2.0
 Flask-Caching==1.8.0
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 Flask-Testing==0.7.1
 gast==0.2.2
 google-auth==1.7.0