diff --git a/installer/installer.csproj b/installer/installer.csproj
index 5f1a1213..0dcc3218 100755
--- a/installer/installer.csproj
+++ b/installer/installer.csproj
@@ -87,7 +87,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="CommunityToolkit.Maui" Version="7.0.1" />
-		<PackageReference Include="CommunityToolkit.Maui.Core" Version="7.0.1" />
+		<PackageReference Include="CommunityToolkit.Maui.Core" Version="9.0.0" />
 		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
 		<PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.37" />