diff --git a/charts/enterprise/traefik/templates/middlewares/tc-headers.yaml b/charts/enterprise/traefik/templates/middlewares/tc-headers.yaml
index 6964b28070ed..1b1a1e2f05d5 100644
--- a/charts/enterprise/traefik/templates/middlewares/tc-headers.yaml
+++ b/charts/enterprise/traefik/templates/middlewares/tc-headers.yaml
@@ -52,7 +52,7 @@ spec:
     browserXssFilter: true
     sslForceHost: true
     referrerPolicy: same-origin
-    contentSecurityPolicy: frame-ancestors 'self'; form-action 'self'
+    contentSecurityPolicy: frame-ancestors 'self'; form-action 'self'; upgrade-insecure-requests​
     customRequestHeaders:
       X-Forwarded-Proto: "https"
     customResponseHeaders: