diff --git a/backend/requirements.txt b/backend/requirements.txt
index 0dc258a..929a8b9 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,5 +1,5 @@
 flask===1.1.2
-flask_cors===3.0.8
+flask_cors===3.0.9
 parameterized==0.7.4
 pytest==6.0.1
 pytest-cov==2.10.1
\ No newline at end of file