diff --git a/internal/db/schema/migrations/oss/postgres/17/02_wh_primary_key.up.sql b/internal/db/schema/migrations/oss/postgres/17/02_wh_primary_key.up.sql
new file mode 100644
index 0000000000..ea8e1f396a
--- /dev/null
+++ b/internal/db/schema/migrations/oss/postgres/17/02_wh_primary_key.up.sql
@@ -0,0 +1,6 @@
+begin;
+
+  alter table wh_credential_group_membership
+    add primary key (credential_group_key, credential_key);
+
+commit;