diff --git a/api/requirements.txt b/api/requirements.txt
index 444ba6a..78c47cd 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -1,7 +1,7 @@
 cffi==1.11.5
 Click==7.0
 Flask==1.0.2
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 Flask-Misaka==0.4.1
 gunicorn==19.9.0
 itsdangerous==0.24