diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index b2e8360e..04148b8a 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -63,7 +63,7 @@
     <PackageReference Include="Nerdbank.GitVersioning" Version="3.7.112" PrivateAssets="all" />	
   </ItemGroup>
   <ItemGroup Condition="$(TargetFramework) == 'netstandard2.0'">
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.5" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.9" />
   </ItemGroup>
   <ItemGroup Condition="!$(IsTestProject) AND !$(IsBenchmarkProject)">
     <PackageReference Include="stylecop.analyzers" Version="1.2.0-beta.556" PrivateAssets="all" />