diff --git a/deployment/hasura/metadata/databases/tables/merlin/external_source.yaml b/deployment/hasura/metadata/databases/tables/merlin/external_source.yaml
index ba226b0376..a0c6ada579 100644
--- a/deployment/hasura/metadata/databases/tables/merlin/external_source.yaml
+++ b/deployment/hasura/metadata/databases/tables/merlin/external_source.yaml
@@ -49,6 +49,15 @@ insert_permissions:
       check: {}
       set:
         owner: "x-hasura-user-id"
+update_permissions:
+  - role: aerie_admin
+    permission:
+      columns: [derivation_group_name]
+      filter: {}
+  - role: user
+    permission:
+      columns: [derivation_group_name]
+      filter: {}
 delete_permissions:
   - role: aerie_admin
     permission: