diff --git a/csharp/csharp.csproj b/csharp/csharp.csproj
index 342752ed0c..db18254571 100644
--- a/csharp/csharp.csproj
+++ b/csharp/csharp.csproj
@@ -90,8 +90,8 @@
       <Private>True</Private>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Security.AccessControl, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Security.AccessControl.5.0.0\lib\net461\System.Security.AccessControl.dll</HintPath>
+    <Reference Include="System.Security.AccessControl, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>packages\System.Security.AccessControl.6.0.0\lib\net461\System.Security.AccessControl.dll</HintPath>
     </Reference>
     <Reference Include="System.Security.Principal.Windows, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>packages\System.Security.Principal.Windows.5.0.0\lib\net461\System.Security.Principal.Windows.dll</HintPath>
diff --git a/csharp/packages.config b/csharp/packages.config
index e56e2feed2..52a78b1b1a 100644
--- a/csharp/packages.config
+++ b/csharp/packages.config
@@ -17,7 +17,7 @@
   <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net481" />
   <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.3" targetFramework="net481" />
   <package id="System.Runtime.InteropServices.RuntimeInformation" version="4.3.0" targetFramework="net481" />
-  <package id="System.Security.AccessControl" version="5.0.0" targetFramework="net481" />
+  <package id="System.Security.AccessControl" version="6.0.0" targetFramework="net481" />
   <package id="System.Security.Principal.Windows" version="5.0.0" targetFramework="net481" />
   <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net481" />
   <package id="System.ValueTuple" version="4.5.0" targetFramework="net481" />