diff --git a/server/requirements.txt b/server/requirements.txt
index bd1f40b..39ae88e 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -154,7 +154,7 @@ urllib3==1.22
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.40.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 Whoosh==2.7.4
 wrapt==1.10.10
 youtube-dl==2017.12.23