diff --git a/src/Microsoft.Compatibility.AsyncInterfaces/Directory.Build.props b/src/Microsoft.Bcl.AsyncInterfaces/Directory.Build.props
similarity index 100%
rename from src/Microsoft.Compatibility.AsyncInterfaces/Directory.Build.props
rename to src/Microsoft.Bcl.AsyncInterfaces/Directory.Build.props
diff --git a/src/Microsoft.Compatibility.AsyncInterfaces/Microsoft.Compatibility.AsyncInterfaces.sln b/src/Microsoft.Bcl.AsyncInterfaces/Microsoft.Bcl.AsyncInterfaces.sln
similarity index 81%
rename from src/Microsoft.Compatibility.AsyncInterfaces/Microsoft.Compatibility.AsyncInterfaces.sln
rename to src/Microsoft.Bcl.AsyncInterfaces/Microsoft.Bcl.AsyncInterfaces.sln
index 89513522e493..7fa9037d6dd7 100644
--- a/src/Microsoft.Compatibility.AsyncInterfaces/Microsoft.Compatibility.AsyncInterfaces.sln
+++ b/src/Microsoft.Bcl.AsyncInterfaces/Microsoft.Bcl.AsyncInterfaces.sln
@@ -2,12 +2,12 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
 VisualStudioVersion = 15.0.27213.1
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Compatibility.AsyncInterfaces", "src\Microsoft.Compatibility.AsyncInterfaces.csproj", "{96A7CE75-B5E8-421B-BDF0-C4651D97D8CA}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Bcl.AsyncInterfaces", "src\Microsoft.Bcl.AsyncInterfaces.csproj", "{96A7CE75-B5E8-421B-BDF0-C4651D97D8CA}"
 	ProjectSection(ProjectDependencies) = postProject
 		{6371299B-8F39-4A0A-A9CD-70F80FF205F6} = {6371299B-8F39-4A0A-A9CD-70F80FF205F6}
 	EndProjectSection
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Compatibility.AsyncInterfaces", "ref\Microsoft.Compatibility.AsyncInterfaces.csproj", "{6371299B-8F39-4A0A-A9CD-70F80FF205F6}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Bcl.AsyncInterfaces", "ref\Microsoft.Bcl.AsyncInterfaces.csproj", "{6371299B-8F39-4A0A-A9CD-70F80FF205F6}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{E107E9C1-E893-4E87-987E-04EF0DCEAEFD}"
 EndProject
@@ -36,6 +36,6 @@ Global
 		{6371299B-8F39-4A0A-A9CD-70F80FF205F6} = {2E666815-2EDB-464B-9DF6-380BF4789AD4}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {FE82A0EE-2473-4F59-A141-4C7D92D46AE9}
+		SolutionGuid = {38217F72-3F9A-4B15-96C8-BFA23083AAD3}
 	EndGlobalSection
 EndGlobal
diff --git a/src/Microsoft.Compatibility.AsyncInterfaces/pkg/Microsoft.Compatibility.AsyncInterfaces.pkgproj b/src/Microsoft.Bcl.AsyncInterfaces/pkg/Microsoft.Bcl.AsyncInterfaces.pkgproj
similarity index 73%
rename from src/Microsoft.Compatibility.AsyncInterfaces/pkg/Microsoft.Compatibility.AsyncInterfaces.pkgproj
rename to src/Microsoft.Bcl.AsyncInterfaces/pkg/Microsoft.Bcl.AsyncInterfaces.pkgproj
index 1e21b90d7013..3b0fbeee82d3 100644
--- a/src/Microsoft.Compatibility.AsyncInterfaces/pkg/Microsoft.Compatibility.AsyncInterfaces.pkgproj
+++ b/src/Microsoft.Bcl.AsyncInterfaces/pkg/Microsoft.Bcl.AsyncInterfaces.pkgproj
@@ -1,10 +1,10 @@
 <Project DefaultTargets="Build">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Directory.Build.props))\Directory.Build.props" />
   <ItemGroup>
-    <ProjectReference Include="..\ref\Microsoft.Compatibility.AsyncInterfaces.csproj">
+    <ProjectReference Include="..\ref\Microsoft.Bcl.AsyncInterfaces.csproj">
       <SupportedFramework>net461;netcoreapp2.0;uap10.0.16299;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
-    <ProjectReference Include="..\src\Microsoft.Compatibility.AsyncInterfaces.csproj" />
+    <ProjectReference Include="..\src\Microsoft.Bcl.AsyncInterfaces.csproj" />
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Directory.Build.targets))\Directory.Build.targets" />
 </Project>
\ No newline at end of file
diff --git a/src/Microsoft.Compatibility.AsyncInterfaces/ref/Configurations.props b/src/Microsoft.Bcl.AsyncInterfaces/ref/Configurations.props
similarity index 100%
rename from src/Microsoft.Compatibility.AsyncInterfaces/ref/Configurations.props
rename to src/Microsoft.Bcl.AsyncInterfaces/ref/Configurations.props
diff --git a/src/Microsoft.Compatibility.AsyncInterfaces/ref/Microsoft.Compatibility.AsyncInterfaces.Forwards.cs b/src/Microsoft.Bcl.AsyncInterfaces/ref/Microsoft.Bcl.AsyncInterfaces.Forwards.cs
similarity index 100%
rename from src/Microsoft.Compatibility.AsyncInterfaces/ref/Microsoft.Compatibility.AsyncInterfaces.Forwards.cs
rename to src/Microsoft.Bcl.AsyncInterfaces/ref/Microsoft.Bcl.AsyncInterfaces.Forwards.cs
diff --git a/src/Microsoft.Compatibility.AsyncInterfaces/ref/Microsoft.Compatibility.AsyncInterfaces.cs b/src/Microsoft.Bcl.AsyncInterfaces/ref/Microsoft.Bcl.AsyncInterfaces.cs
similarity index 100%
rename from src/Microsoft.Compatibility.AsyncInterfaces/ref/Microsoft.Compatibility.AsyncInterfaces.cs
rename to src/Microsoft.Bcl.AsyncInterfaces/ref/Microsoft.Bcl.AsyncInterfaces.cs
diff --git a/src/Microsoft.Compatibility.AsyncInterfaces/ref/Microsoft.Compatibility.AsyncInterfaces.csproj b/src/Microsoft.Bcl.AsyncInterfaces/ref/Microsoft.Bcl.AsyncInterfaces.csproj
similarity index 81%
rename from src/Microsoft.Compatibility.AsyncInterfaces/ref/Microsoft.Compatibility.AsyncInterfaces.csproj
rename to src/Microsoft.Bcl.AsyncInterfaces/ref/Microsoft.Bcl.AsyncInterfaces.csproj
index bd7f01ace1c2..3c58faf3003b 100644
--- a/src/Microsoft.Compatibility.AsyncInterfaces/ref/Microsoft.Compatibility.AsyncInterfaces.csproj
+++ b/src/Microsoft.Bcl.AsyncInterfaces/ref/Microsoft.Bcl.AsyncInterfaces.csproj
@@ -4,11 +4,11 @@
     <Configurations>netstandard-Debug;netstandard-Release;netstandard2.1-Debug;netstandard2.1-Release</Configurations>
   </PropertyGroup>
   <ItemGroup Condition="'$(TargetGroup)' == 'netstandard'">
-    <Compile Include="Microsoft.Compatibility.AsyncInterfaces.cs" />
+    <Compile Include="Microsoft.Bcl.AsyncInterfaces.cs" />
     <Reference Include="System.Threading.Tasks.Extensions" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetGroup)' != 'netstandard'">
-    <Compile Include="Microsoft.Compatibility.AsyncInterfaces.Forwards.cs" />
+    <Compile Include="Microsoft.Bcl.AsyncInterfaces.Forwards.cs" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetGroup)' == 'netstandard'">
     <Reference Include="System.Runtime" />
diff --git a/src/Microsoft.Compatibility.AsyncInterfaces/src/Configurations.props b/src/Microsoft.Bcl.AsyncInterfaces/src/Configurations.props
similarity index 100%
rename from src/Microsoft.Compatibility.AsyncInterfaces/src/Configurations.props
rename to src/Microsoft.Bcl.AsyncInterfaces/src/Configurations.props
diff --git a/src/Microsoft.Compatibility.AsyncInterfaces/src/Microsoft.Compatibility.AsyncInterfaces.csproj b/src/Microsoft.Bcl.AsyncInterfaces/src/Microsoft.Bcl.AsyncInterfaces.csproj
similarity index 100%
rename from src/Microsoft.Compatibility.AsyncInterfaces/src/Microsoft.Compatibility.AsyncInterfaces.csproj
rename to src/Microsoft.Bcl.AsyncInterfaces/src/Microsoft.Bcl.AsyncInterfaces.csproj