diff --git a/Timer/Timer/Timer.csproj b/Timer/Timer/Timer.csproj
index 599fde2..1591e18 100644
--- a/Timer/Timer/Timer.csproj
+++ b/Timer/Timer/Timer.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
+    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.2" />
     <PackageReference Include="Microsoft.Data.Sqlite" Version="8.0.0" />
     <PackageReference Include="ClosedXML" Version="0.102.2" />
     <PackageReference Include="System.IO.Ports" Version="8.0.0" />