diff --git a/Flow.Launcher.Core/Plugin/JsonRPCPluginSettings.cs b/Flow.Launcher.Core/Plugin/JsonRPCPluginSettings.cs
index b87623c56..fd73a44cd 100644
--- a/Flow.Launcher.Core/Plugin/JsonRPCPluginSettings.cs
+++ b/Flow.Launcher.Core/Plugin/JsonRPCPluginSettings.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
@@ -16,10 +17,10 @@ namespace Flow.Launcher.Core.Plugin
         public Dictionary<string, FrameworkElement> SettingControls { get; } = new();
         
         public IReadOnlyDictionary<string, object> Inner => Settings;
-        protected Dictionary<string, object> Settings { get; set; }
+        protected ConcurrentDictionary<string, object> Settings { get; set; }
         public required IPublicAPI API { get; init; }
         
-        private JsonStorage<Dictionary<string, object>> _storage;
+        private JsonStorage<ConcurrentDictionary<string, object>> _storage;
 
         // maybe move to resource?
         private static readonly Thickness settingControlMargin = new(0, 9, 18, 9);
@@ -33,7 +34,7 @@ namespace Flow.Launcher.Core.Plugin
 
         public async Task InitializeAsync()
         {
-            _storage = new JsonStorage<Dictionary<string, object>>(SettingPath);
+            _storage = new JsonStorage<ConcurrentDictionary<string, object>>(SettingPath);
             Settings = await _storage.LoadAsync();
 
             foreach (var (type, attributes) in Configuration.Body)