diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index c86a90de7..911e6cfd3
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ requests==2.11.1
 suds-jurko==0.6
 vatnumber==1.2
 vobject==0.9.3
-Werkzeug==0.11.15
+Werkzeug==3.0.6
 XlsxWriter==0.9.3
 xlwt==1.3.*
 xlrd==1.0.0