diff --git a/src/db/migrations/006_pragma.ts b/src/db/migrations/006_pragma.ts
new file mode 100644
index 0000000..e9dbad1
--- /dev/null
+++ b/src/db/migrations/006_pragma.ts
@@ -0,0 +1,12 @@
+import { Kysely, sql } from '@/deps.ts';
+
+export async function up(db: Kysely<any>): Promise<void> {
+  await sql`PRAGMA foreign_keys = ON`.execute(db);
+  await sql`PRAGMA auto_vacuum = FULL`.execute(db);
+  await sql`VACUUM`.execute(db);
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+  await sql`PRAGMA foreign_keys = OFF`.execute(db);
+  await sql`PRAGMA auto_vacuum = NONE`.execute(db);
+}