diff --git a/functions/slsfw/sls-flask/requirements.txt b/functions/slsfw/sls-flask/requirements.txt
index e86f5bd..39b664b 100644
--- a/functions/slsfw/sls-flask/requirements.txt
+++ b/functions/slsfw/sls-flask/requirements.txt
@@ -3,4 +3,4 @@ Flask==1.0.2
 itsdangerous==0.24
 Jinja2==2.11.3
 MarkupSafe==1.0
-Werkzeug==0.15.3
+Werkzeug==0.15.5