diff --git a/Ix.NET/Source/System.Linq.Async/System.Linq.Async.csproj b/Ix.NET/Source/System.Linq.Async/System.Linq.Async.csproj
index 5c86d96bf..e74362e2e 100644
--- a/Ix.NET/Source/System.Linq.Async/System.Linq.Async.csproj
+++ b/Ix.NET/Source/System.Linq.Async/System.Linq.Async.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="MSBuild.Sdk.Extras">
+<Project Sdk="MSBuild.Sdk.Extras">
 
   <PropertyGroup>
     <TargetFrameworks>net48;netstandard2.0;netstandard2.1;net6.0</TargetFrameworks>
@@ -26,7 +26,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Condition="'$(TargetFramework)' == 'net48' or '$(TargetFramework)' == 'netstandard2.0' " Include="Microsoft.Bcl.AsyncInterfaces" Version="6.0.0" />
+    <PackageReference Condition="'$(TargetFramework)' == 'net48' or '$(TargetFramework)' == 'netstandard2.0' " Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0" />
     <ReferenceAssemblyProjectReference Include="..\refs\System.Linq.Async.Ref\System.Linq.Async.Ref.csproj" />
     <ProjectReference Include="..\System.Linq.Async.SourceGenerator\System.Linq.Async.SourceGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" Private="false" />
   </ItemGroup>
diff --git a/Ix.NET/Source/refs/System.Linq.Async.Ref/System.Linq.Async.Ref.csproj b/Ix.NET/Source/refs/System.Linq.Async.Ref/System.Linq.Async.Ref.csproj
index 231da0591..1550df218 100644
--- a/Ix.NET/Source/refs/System.Linq.Async.Ref/System.Linq.Async.Ref.csproj
+++ b/Ix.NET/Source/refs/System.Linq.Async.Ref/System.Linq.Async.Ref.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="MSBuild.Sdk.Extras">
+<Project Sdk="MSBuild.Sdk.Extras">
 
   <PropertyGroup>
     <Description>LINQ Standard Query Operators used to express queries over asynchronous enumerable sequences.</Description>
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Condition="'$(TargetFramework)' != 'netcoreapp3.1' and '$(TargetFramework)' != 'netstandard2.1' and '$(TargetFramework)' != 'net6.0'" 
-                      Include="Microsoft.Bcl.AsyncInterfaces" Version="6.0.0" />
+                      Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0" />
     
     <ProjectReference Include="..\..\System.Linq.Async.SourceGenerator\System.Linq.Async.SourceGenerator.csproj"
                       OutputItemType="Analyzer" ReferenceOutputAssembly="false" Private="false">