diff --git a/requirements.txt b/requirements.txt
index 2b29e5f..c714d96 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -70,5 +70,5 @@ tornado-http-auth==1.1.1
 traitlets==4.3.2
 urllib3==1.24.1
 wcwidth==0.1.7
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 yarl==1.3.0