diff --git a/requirements.txt b/requirements.txt
index c9d1ed3..d57ab32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,5 +34,5 @@ scipy==1.1.0
 six==1.11.0
 urllib3==1.24.3
 wcwidth==0.1.7
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 zipp==0.5.2