diff --git a/CliFx/CliFx.csproj b/CliFx/CliFx.csproj
index 42679d2..e4c005c 100644
--- a/CliFx/CliFx.csproj
+++ b/CliFx/CliFx.csproj
@@ -23,8 +23,8 @@
   <ItemGroup>
     <PackageReference Include="CSharpier.MsBuild" Version="0.30.6" PrivateAssets="all" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="all" />
-    <PackageReference Include="PolyShim" Version="1.15.0" PrivateAssets="all" />
-    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.6.0" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'netstandard2.1'))" />
+    <PackageReference Include="PolyShim" Version="2.4.0" PrivateAssets="all" />
+    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.6.3" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'netstandard2.1'))" />
   </ItemGroup>
 
   <!-- Embed the analyzer inside the package -->