diff --git a/DecSm.Extensions.Json/DecSm.Extensions.Json.csproj b/DecSm.Extensions.Json/DecSm.Extensions.Json.csproj
index c62d97e..b6d0820 100644
--- a/DecSm.Extensions.Json/DecSm.Extensions.Json.csproj
+++ b/DecSm.Extensions.Json/DecSm.Extensions.Json.csproj
@@ -11,7 +11,7 @@
 
   <!--  .NET Framework Packages-->
   <ItemGroup Condition="'$(TargetFramework)' == 'net48' or '$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="Polyfill" Version="9.3.4">
+    <PackageReference Include="Polyfill" Version="9.5.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>