diff --git a/back-end/requirements.txt b/back-end/requirements.txt
index 8357e81..5f18f88 100644
--- a/back-end/requirements.txt
+++ b/back-end/requirements.txt
@@ -6,7 +6,7 @@ Click==7.0
 colorama==0.4.0
 coverage==4.5.2
 Flask==1.0.2
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 Flask-HTTPAuth==3.2.4
 Flask-Mail==0.9.1
 Flask-Migrate==2.3.0