diff --git a/requirements.txt b/requirements.txt
index 9cfaa90..eeacbf3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,4 @@ PyYAML==3.12
 requests==2.18.3
 six==1.10.0
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3