diff --git a/src/Nerdbank.Streams/Nerdbank.Streams.csproj b/src/Nerdbank.Streams/Nerdbank.Streams.csproj
index cd6d292e..51ec867e 100644
--- a/src/Nerdbank.Streams/Nerdbank.Streams.csproj
+++ b/src/Nerdbank.Streams/Nerdbank.Streams.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
     <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" PrivateAssets="all" />
     <PackageReference Include="Microsoft.VisualStudio.Threading" PrivateAssets="build;analyzers;compile" />
     <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" PrivateAssets="all" />