diff --git a/requirements.txt b/requirements.txt
index 8b057be..97805c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ editdistance==0.5.2
 en-core-web-sm==2.0.0
 flaky==3.4.0
 Flask==0.12.1
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 gast==0.2.0
 gevent==1.2.2
 greenlet==0.4.15