diff --git a/src/Akka.Hosting.TestKit.Tests/Akka.Hosting.TestKit.Tests.csproj b/src/Akka.Hosting.TestKit.Tests/Akka.Hosting.TestKit.Tests.csproj
index a22c86ae..90765a11 100644
--- a/src/Akka.Hosting.TestKit.Tests/Akka.Hosting.TestKit.Tests.csproj
+++ b/src/Akka.Hosting.TestKit.Tests/Akka.Hosting.TestKit.Tests.csproj
@@ -9,7 +9,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="7.0.0" />
+        <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(TestSdkVersion)" />
         <PackageReference Include="xunit" Version="$(XunitVersion)" />
         <PackageReference Include="FluentAssertions" Version="6.12.2" />
diff --git a/src/Akka.Hosting.TestKit/Akka.Hosting.TestKit.csproj b/src/Akka.Hosting.TestKit/Akka.Hosting.TestKit.csproj
index 07557b03..e72c85b6 100644
--- a/src/Akka.Hosting.TestKit/Akka.Hosting.TestKit.csproj
+++ b/src/Akka.Hosting.TestKit/Akka.Hosting.TestKit.csproj
@@ -10,7 +10,7 @@
 
     <ItemGroup>
         <PackageReference Include="Akka.TestKit.Xunit2" Version="$(AkkaVersion)" />
-        <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="7.0.0" />
+        <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.0" />
         <PackageReference Include="xunit" Version="$(XunitVersion)" />
     </ItemGroup>