diff --git a/requirements.txt b/requirements.txt
index b373d20b..d865652a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -78,6 +78,6 @@ six==1.10.0
 SQLAlchemy==1.1.5
 stevedore==1.20.0
 urllib3==1.20
-Werkzeug==0.11.15
+Werkzeug==0.15.3
 wrapt==1.10.8
 WTForms==2.1
diff --git a/requirements3.txt b/requirements3.txt
index f72bd941..eba797a7 100644
--- a/requirements3.txt
+++ b/requirements3.txt
@@ -71,6 +71,6 @@ six==1.10.0
 SQLAlchemy==1.0.15
 stevedore==1.17.1
 urllib3==1.18
-Werkzeug==0.11.11
+Werkzeug==0.15.3
 wrapt==1.10.8
 WTForms==2.1