diff --git a/functions/zappa-slim-handler/without/requirements.txt b/functions/zappa-slim-handler/without/requirements.txt
index 83c10d7..a7df527 100644
--- a/functions/zappa-slim-handler/without/requirements.txt
+++ b/functions/zappa-slim-handler/without/requirements.txt
@@ -29,6 +29,6 @@ tqdm==4.19.1
 troposphere==2.3.4
 Unidecode==1.0.22
 urllib3==1.26.5
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 wsgi-request-logger==0.4.6
 zappa==0.47.1