diff --git a/src/Polly.Extensions/Polly.Extensions.csproj b/src/Polly.Extensions/Polly.Extensions.csproj
index 87ad3501ee5..2b752a541ae 100644
--- a/src/Polly.Extensions/Polly.Extensions.csproj
+++ b/src/Polly.Extensions/Polly.Extensions.csproj
@@ -41,7 +41,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Options" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" />
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Condition="!$([MSBuild]::IsTargetFrameworkCompatible($(TargetFramework), 'net6.0'))" />
     <Reference Include="System.Net.Http" Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'" />
   </ItemGroup>
 </Project>