diff --git a/apps/explorer/priv/repo/migrations/20191007082500_add_indexes_for_token_instances_query.exs b/apps/explorer/priv/repo/migrations/20191007082500_add_indexes_for_token_instances_query.exs
new file mode 100644
index 0000000000..310f0fed02
--- /dev/null
+++ b/apps/explorer/priv/repo/migrations/20191007082500_add_indexes_for_token_instances_query.exs
@@ -0,0 +1,8 @@
+defmodule Explorer.Repo.Migrations.AddIndexesForTokenInstrancesQuery do
+  use Ecto.Migration
+
+  def change do
+    create_if_not_exists(index(:token_instances, [:token_id]))
+    create_if_not_exists(index(:tokens, [:type]))
+  end
+end