diff --git a/docker/kratos/oathkeeper/oathkeeper.yml b/docker/kratos/oathkeeper/oathkeeper.yml
index 7f494fbc..e4fa6e63 100644
--- a/docker/kratos/oathkeeper/oathkeeper.yml
+++ b/docker/kratos/oathkeeper/oathkeeper.yml
@@ -82,6 +82,13 @@ mutators:
       api:
         url: http://dashboard:3000/api/hydrator
 
+  cookie:
+    enabled: true
+    config:
+      cookies:
+        userxxxx: "{{ print .Subject }}",
+        some-arbitrary-data: "{{ print .Extra.foo }}"
+
   id_token:
     enabled: true
     config: