diff --git a/Editor/Installer/InstallerController.cs b/Editor/Installer/InstallerController.cs
index da81bf1..97255df 100644
--- a/Editor/Installer/InstallerController.cs
+++ b/Editor/Installer/InstallerController.cs
@@ -127,14 +127,14 @@ namespace HybridCLR.Editor.Installer
 
         public string HybridCLRRepoInstalledVersion
         {
-            get { return EditorPrefs.GetString("hybridclr_repo"); }
-            set { EditorPrefs.SetString("hybridclr_repo", value); }
+            get { return EditorPrefs.GetString($"hybridclr_repo#{MajorVersion}"); }
+            set { EditorPrefs.SetString($"hybridclr_repo#{MajorVersion}", value); }
         }
 
         public string Il2CppRepoInstalledVersion
         {
-            get { return EditorPrefs.GetString("il2cpp_plus_repo"); }
-            set { EditorPrefs.SetString("il2cpp_plus_repo", value); }
+            get { return EditorPrefs.GetString($"il2cpp_plus_repo#{MajorVersion}"); }
+            set { EditorPrefs.SetString($"il2cpp_plus_repo#{MajorVersion}", value); }
         }
 
 
diff --git a/package.json b/package.json
index 990caff..6edd878 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.focus-creative-games.hybridclr_unity",
-  "version": "1.1.15",
+  "version": "1.1.16",
   "displayName": "HybridCLR",
   "description": "Unity package for HybridCLR. It includes editor and runtime scripts and assets for HybridCLR",
   "category": "Runtime",