diff --git a/requirements.txt b/requirements.txt
index 4f7636f..149d780 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # SSO
 flask==1.1.1
-flask-cors==3.0.8
+flask-cors==3.0.9
 flask-testing==0.7.1
 SQLAlchemy==1.3.10
 PyCrypto==2.6.1