diff --git a/src/CommonUtilities.FileSystem/src/Commonutilities.FileSystem.csproj b/src/CommonUtilities.FileSystem/src/Commonutilities.FileSystem.csproj
index 8cff20b..93a8dce 100644
--- a/src/CommonUtilities.FileSystem/src/Commonutilities.FileSystem.csproj
+++ b/src/CommonUtilities.FileSystem/src/Commonutilities.FileSystem.csproj
@@ -33,7 +33,7 @@
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
 		<PackageReference Include="Microsoft.Win32.Registry" Version="5.0.0" />
-		<PackageReference Include="Testably.Abstractions.AccessControl" Version="4.3.6" />
+		<PackageReference Include="Testably.Abstractions.AccessControl" Version="4.3.9" />
 	</ItemGroup>
 
 </Project>