diff --git a/ArchiSteamFarm.OfficialPlugins.SteamTokenDumper/GlobalCache.cs b/ArchiSteamFarm.OfficialPlugins.SteamTokenDumper/GlobalCache.cs
index ccf5c0ee1..13793da24 100644
--- a/ArchiSteamFarm.OfficialPlugins.SteamTokenDumper/GlobalCache.cs
+++ b/ArchiSteamFarm.OfficialPlugins.SteamTokenDumper/GlobalCache.cs
@@ -207,7 +207,7 @@ namespace ArchiSteamFarm.OfficialPlugins.SteamTokenDumper {
 			}
 		}
 
-		internal async Task UpdateDepotKeys([NotNull] IReadOnlyCollection<SteamApps.DepotKeyCallback> depotKeyResults) {
+		internal async Task UpdateDepotKeys([NotNull] ICollection<SteamApps.DepotKeyCallback> depotKeyResults) {
 			if (depotKeyResults == null) {
 				throw new ArgumentNullException(nameof(depotKeyResults));
 			}
diff --git a/ArchiSteamFarm.OfficialPlugins.SteamTokenDumper/SteamTokenDumperPlugin.cs b/ArchiSteamFarm.OfficialPlugins.SteamTokenDumper/SteamTokenDumperPlugin.cs
index e27e7a62e..b46bc7ebc 100644
--- a/ArchiSteamFarm.OfficialPlugins.SteamTokenDumper/SteamTokenDumperPlugin.cs
+++ b/ArchiSteamFarm.OfficialPlugins.SteamTokenDumper/SteamTokenDumperPlugin.cs
@@ -361,10 +361,10 @@ namespace ArchiSteamFarm.OfficialPlugins.SteamTokenDumper {
 						if (depotTasks.Count > 0) {
 							bot.ArchiLogger.LogGenericInfo($"Retrieving {depotTasks.Count} depot keys...");
 
-							SteamApps.DepotKeyCallback[] results;
+							IList<SteamApps.DepotKeyCallback> results;
 
 							try {
-								results = await Task.WhenAll(depotTasks).ConfigureAwait(false);
+								results = await Utilities.InParallel(depotTasks).ConfigureAwait(false);
 							} catch (Exception e) {
 								bot.ArchiLogger.LogGenericWarningException(e);