diff --git a/requirements.txt b/requirements.txt
index dc4a920..d779375 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ chardet==3.0.4
 click==6.7
 cryptography==2.1.4
 Flask==0.12.2
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 google-api-python-client==1.6.5
 google-auth==1.4.1
 google-auth-httplib2==0.0.3