diff --git a/src/db/migrations/20240906131505_add_root_entries_index.ts b/src/db/migrations/20240906131505_add_root_entries_index.ts
new file mode 100644
index 00000000..2448ffee
--- /dev/null
+++ b/src/db/migrations/20240906131505_add_root_entries_index.ts
@@ -0,0 +1,20 @@
+import {Knex} from 'knex';
+
+export async function up(knex: Knex): Promise<void> {
+    return knex.raw(`
+        CREATE INDEX CONCURRENTLY entries_root_tenant_id_idx
+            ON entries(tenant_id)
+            WHERE
+                key NOT LIKE '_%/_%';
+    `);
+}
+
+export async function down(knex: Knex): Promise<void> {
+    return knex.raw(`
+        DROP INDEX entries_root_tenant_id_idx;
+    `);
+}
+
+export const config = {
+    transaction: false,
+};