diff --git a/serverfiles/requirements.txt b/serverfiles/requirements.txt
index 5a4cefe..2896fa6 100644
--- a/serverfiles/requirements.txt
+++ b/serverfiles/requirements.txt
@@ -2,7 +2,7 @@ certifi==2018.11.29
 chardet==3.0.4
 Click==7.0
 Flask==1.0.2
-flask-cors==3.0.7
+flask-cors==3.0.9
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0