diff --git a/docs/requirements.txt b/docs/requirements.txt
index d6cba71..9f5fdf5 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -45,4 +45,4 @@ tqdm==4.26.0
 twine==1.12.1
 urllib3==1.23
 webencodings==0.5.1
-werkzeug==0.14.1
+werkzeug==0.15.5