diff --git a/requirements.txt b/requirements.txt
index 750708c..e4385e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ tqdm==4.28.0
 twine==1.12.1
 urllib3==1.24
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3