diff --git a/priv/repo/migrations/20230313204047_increase_game_moves_size.exs b/priv/repo/migrations/20230313204047_increase_game_moves_size.exs
new file mode 100644
index 0000000..01bcc4c
--- /dev/null
+++ b/priv/repo/migrations/20230313204047_increase_game_moves_size.exs
@@ -0,0 +1,9 @@
+defmodule Chessh.Repo.Migrations.IncreaseGameMovesSize do
+  use Ecto.Migration
+
+  def change do
+    alter table(:games) do
+      modify(:game_moves, :string, size: 4096)
+    end
+  end
+end