diff --git a/osu.Game/OsuGameBase.cs b/osu.Game/OsuGameBase.cs
index 8263e26dec..f239119e40 100644
--- a/osu.Game/OsuGameBase.cs
+++ b/osu.Game/OsuGameBase.cs
@@ -531,6 +531,7 @@ namespace osu.Game
 
             RulesetStore?.Dispose();
             LocalConfig?.Dispose();
+            onlineBeatmapLookupCache?.Dispose();
 
             contextFactory?.FlushConnections();
         }