diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index dc5047a..b3e3678
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ retrying>=1.3.3
 scipy>=1.4.1
 six>=1.14.0
 statsmodels>=0.11.1
-Werkzeug>=1.0.1
+Werkzeug>=3.1.8
 xarray>=0.16.0
 zope.interface>=5.1.0