diff --git a/requirements-normal.txt b/requirements-normal.txt
index 9c4fc9d..647f75e 100644
--- a/requirements-normal.txt
+++ b/requirements-normal.txt
@@ -17,4 +17,4 @@ pytz==2015.7
 requests==2.8.1
 six==1.10.0
 urllib3==1.12
-Werkzeug==0.11.2
+Werkzeug==0.15.5
diff --git a/requirements.txt b/requirements.txt
index dc4209e..8d81b42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ pytz==2015.7
 requests==2.8.1
 six==1.10.0
 urllib3==1.12
-Werkzeug==0.11.2
+Werkzeug==0.15.5
 cffi==1.3.1
 enum34==1.1.1
 idna==2.0