diff --git a/app/garage/deploy/garage.hcl b/app/garage/deploy/garage.hcl
index e03c423..67db8df 100644
--- a/app/garage/deploy/garage.hcl
+++ b/app/garage/deploy/garage.hcl
@@ -98,6 +98,7 @@ job "garage" {
         tags = [
             "garage-web",
             "tricot * 1",
+            "tricot-add-header Content-Security-Policy default-src 'none'; img-src 'self'; script-src 'self'; style-src 'self'"
         ]
         port = 3902
         address_mode = "driver"