diff --git a/test/Ben.Demystifier.Test/Ben.Demystifier.Test.csproj b/test/Ben.Demystifier.Test/Ben.Demystifier.Test.csproj
index 04286eb..2abc975 100644
--- a/test/Ben.Demystifier.Test/Ben.Demystifier.Test.csproj
+++ b/test/Ben.Demystifier.Test/Ben.Demystifier.Test.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="5.0.0" Condition="'$(TargetFramework)' == 'net461' or '$(TargetFramework)' == 'netcoreapp2.1'" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="6.0.0" Condition="'$(TargetFramework)' == 'net461' or '$(TargetFramework)' == 'netcoreapp2.1'" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
     <PackageReference Include="xunit" Version="2.4.1" />