diff --git a/api/setupTests.js b/api/setupTests.js
index c502abf7..3fca6294 100644
--- a/api/setupTests.js
+++ b/api/setupTests.js
@@ -36,6 +36,7 @@ async function applyMigrations(url) {
 	});
 	const { db, client } = await database.connect();
 	const migrations = await up(db, client);
+	await client.close();
 	for (const migration of migrations) {
 		logger.info("Run migration: %s", migration);
 	}