diff --git a/requirements.txt b/requirements.txt
index 2b63ecdcb..c4be586eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ beautifulsoup4==4.9.0
 chardet==3.0.4
 click==8.1.3
 feedparser==6.0.8
-flask_cors==3.0.10
+flask_cors==5.0.0
 fuzzywuzzy==0.18.0
 geoalchemy2==0.8.2
 geographiclib==1.50