diff --git a/Flow.Launcher/PublicAPIInstance.cs b/Flow.Launcher/PublicAPIInstance.cs
index b3f7b8d4fd5..f3403696e05 100644
--- a/Flow.Launcher/PublicAPIInstance.cs
+++ b/Flow.Launcher/PublicAPIInstance.cs
@@ -21,6 +21,7 @@
 using System.Runtime.CompilerServices;
 using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.Storage;
+using System.Collections.Concurrent;
 
 namespace Flow.Launcher
 {
@@ -144,7 +145,7 @@ public void LogWarn(string className, string message, [CallerMemberName] string
         public void LogException(string className, string message, Exception e,
             [CallerMemberName] string methodName = "") => Log.Exception(className, message, e, methodName);
 
-        private readonly Dictionary<Type, object> _pluginJsonStorages = new();
+        private readonly ConcurrentDictionary<Type, object> _pluginJsonStorages = new();
 
         public void SavePluginSettings()
         {