diff --git a/Activity01/requirements.txt b/Activity01/requirements.txt
index fea4f34..46cd491 100644
--- a/Activity01/requirements.txt
+++ b/Activity01/requirements.txt
@@ -9,7 +9,7 @@ enum34==1.1.6
 Flask==0.12.2
 Flask-API==1.0
 Flask-Caching==1.3.3
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 Flask-Testing==0.7.1
 h5py==2.7.1
 html5lib==0.9999999