diff --git a/src/deep.js b/src/deep.js
index e65b4b38..04c7c18d 100644
--- a/src/deep.js
+++ b/src/deep.js
@@ -201,7 +201,7 @@ async function scrapeReleases(baseReleases, entitiesBySlug, type) {
 	return Promise.map(
 		baseReleases,
 		async (baseRelease) => scrapeRelease(baseRelease, entitiesWithBeforeDataBySlug, type),
-		{ concurrency: 3 },
+		{ concurrency: 1 },
 	);
 }