diff --git a/DecSm.Extensions.Json.Tests/DecSm.Extensions.Json.Tests.csproj b/DecSm.Extensions.Json.Tests/DecSm.Extensions.Json.Tests.csproj
index 57a890d..ded129a 100644
--- a/DecSm.Extensions.Json.Tests/DecSm.Extensions.Json.Tests.csproj
+++ b/DecSm.Extensions.Json.Tests/DecSm.Extensions.Json.Tests.csproj
@@ -14,10 +14,10 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="FakeItEasy" Version="8.3.0"/>
+    <PackageReference Include="FakeItEasy" Version="9.0.0"/>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="NUnit" Version="4.4.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="6.0.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.1.0" />
     <PackageReference Include="Shouldly" Version="4.3.0"/>
     <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="22.1.0" />
   </ItemGroup>
diff --git a/DecSm.Extensions.Json/DecSm.Extensions.Json.csproj b/DecSm.Extensions.Json/DecSm.Extensions.Json.csproj
index b6d0820..2d5ccd8 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="9.5.0">
+    <PackageReference Include="Polyfill" Version="9.7.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>