diff --git a/internal/db/migrations/20250624000000_add_created_at_indexes.sql b/internal/db/migrations/20250624000000_add_created_at_indexes.sql
new file mode 100644
index 0000000000000000000000000000000000000000..5b4da766a50577f2b622b098a9dc681d326c7ad2
--- /dev/null
+++ b/internal/db/migrations/20250624000000_add_created_at_indexes.sql
@@ -0,0 +1,14 @@
+-- +goose Up
+-- +goose StatementBegin
+-- Add indexes on created_at columns for better ORDER BY performance
+CREATE INDEX IF NOT EXISTS idx_sessions_created_at ON sessions (created_at);
+CREATE INDEX IF NOT EXISTS idx_messages_created_at ON messages (created_at);
+CREATE INDEX IF NOT EXISTS idx_files_created_at ON files (created_at);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP INDEX IF EXISTS idx_sessions_created_at;
+DROP INDEX IF EXISTS idx_messages_created_at;
+DROP INDEX IF EXISTS idx_files_created_at;
+-- +goose StatementEnd
\ No newline at end of file