diff --git a/backend/src/index.ts b/backend/src/index.ts
index 28a9d0be..ed612648 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -180,7 +180,7 @@ connect().then(async () => {
     makeCache: Options.cacheWithLimits({
       ...Options.defaultMakeCacheSettings,
       MessageManager: 0,
-      GuildMemberManager: 5000,
+      GuildMemberManager: 15000,
       GuildInviteManager: 0,
     }),