diff --git a/src/PPM.Unsafe/PPM.Unsafe.csproj b/src/PPM.Unsafe/PPM.Unsafe.csproj
index 62c281f..900fe09 100644
--- a/src/PPM.Unsafe/PPM.Unsafe.csproj
+++ b/src/PPM.Unsafe/PPM.Unsafe.csproj
@@ -13,7 +13,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Vanara.PInvoke.User32" Version="4.1.3" />
+    <PackageReference Include="Vanara.PInvoke.User32" Version="4.2.1" />
   </ItemGroup>
 
 </Project>