diff --git a/requirements.txt b/requirements.txt
index 96b48ee..d30d591 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,5 +21,5 @@ requests==2.21.0
 scipy==1.2.1
 six==1.12.0
 urllib3==1.24.1
-Werkzeug==0.15.1
+Werkzeug==0.15.3
 WTForms==2.2.1