diff --git a/tank_robot/all_requirements.txt b/tank_robot/all_requirements.txt
index 1a21c91..da9b268 100644
--- a/tank_robot/all_requirements.txt
+++ b/tank_robot/all_requirements.txt
@@ -92,6 +92,6 @@ twython==3.4.0
 typed-ast==0.6.3
 unicornhathd==0.0.4
 urllib3==1.19.1
-Werkzeug==0.11.15
+Werkzeug==0.15.5
 wrapt==1.9.0
 zmq==0.0.0
diff --git a/tank_robot/requirements.txt b/tank_robot/requirements.txt
index d1a9b51..1593089 100644
--- a/tank_robot/requirements.txt
+++ b/tank_robot/requirements.txt
@@ -82,6 +82,6 @@ twython==3.4.0
 typed-ast==0.6.3
 unicornhathd==0.0.4
 urllib3==1.19.1
-Werkzeug==0.11.15
+Werkzeug==0.15.5
 wrapt==1.9.0
 zmq==0.0.0