diff --git a/requirements.txt b/requirements.txt
index 988429c88..b92b9d1e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ click==6.7
 coverage==4.5.1
 coveralls==1.3.0
 Flask-API==0.6.9
-Flask-Cors==2.1.2
+Flask-Cors==3.0.4
 Flask==0.12.2
 Flask-Limiter==0.9.3
 future==0.16.0