diff --git a/requirements.txt b/requirements.txt
index 9bdb2cd..fc9a34a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ tqdm==4.31.1
 twine==1.13.0
 urllib3==1.24.2
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3