diff --git a/requirements.txt b/requirements.txt
index 533b877..7a018df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,4 +24,4 @@ six==1.11.0
 SQLAlchemy==1.2.7
 tornado==5.0.2
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3
diff --git a/requirements3.txt b/requirements3.txt
index 1769387..87f1a36 100644
--- a/requirements3.txt
+++ b/requirements3.txt
@@ -15,4 +15,4 @@ requests==2.19.1
 six==1.11.0
 SQLAlchemy==1.2.9
 urllib3==1.23
-Werkzeug==0.14.1
+Werkzeug==0.15.3