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 18ace335cf..82718a0f85 100644
--- a/Ix.NET/Source/System.Linq.Async/System.Linq.Async.csproj
+++ b/Ix.NET/Source/System.Linq.Async/System.Linq.Async.csproj
@@ -23,7 +23,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Condition="'$(TargetFramework)' != 'netcoreapp3.0' and '$(TargetFramework)' != 'netstandard2.1' " Include="Microsoft.Bcl.AsyncInterfaces" Version="1.0.0" />
+    <PackageReference Condition="'$(TargetFramework)' != 'netcoreapp3.0' and '$(TargetFramework)' != 'netstandard2.1' " Include="Microsoft.Bcl.AsyncInterfaces" Version="1.1.0" />
     <ReferenceAssemblyProjectReference Include="..\refs\System.Linq.Async.Ref\System.Linq.Async.Ref.csproj" />
   </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 547673f40e..fe2b5107fb 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
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Condition="'$(TargetFramework)' != 'netcoreapp3.0' and '$(TargetFramework)' != 'netstandard2.1' " 
-                      Include="Microsoft.Bcl.AsyncInterfaces" Version="1.0.0" />
+                      Include="Microsoft.Bcl.AsyncInterfaces" Version="1.1.0" />
   </ItemGroup>
 
   <ItemGroup>