diff --git a/requirements.txt b/requirements.txt
index f90a652..ed697ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Flask==1.1.1
 gunicorn==19.9.0
 Jinja2==2.11.3
 MarkupSafe==1.1.1
-Werkzeug==0.15.5
+Werkzeug==2.2.3
 numpy>=1.9.2
 scipy>=0.15.1
 nltk>=3.6.4