diff --git a/requirements.txt b/requirements.txt
index d5e5762..a8248e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Flask_RESTful==0.3.7
 Flask==1.0.3
 pymongo==3.8.0
 numpy==1.17.0
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 Jinja2==2.10
 lxml==4.3.4
 pycryptodome==3.9.4