diff --git a/source/Server/Server.csproj b/source/Server/Server.csproj
index 369071c..370998f 100644
--- a/source/Server/Server.csproj
+++ b/source/Server/Server.csproj
@@ -18,7 +18,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Authentication.Negotiate" Version="5.0.6" />
     <PackageReference Include="Polly" Version="7.2.2" />
     <PackageReference Include="System.DirectoryServices.AccountManagement" Version="4.5.0" />
-    <PackageReference Include="System.DirectoryServices" Version="4.5.0" />
+    <PackageReference Include="System.DirectoryServices" Version="6.0.0" />
     <PackageReference Include="Octopus.Configuration" Version="4.0.0" />
     <PackageReference Include="Octopus.Diagnostics" Version="2.1.2" />
     <PackageReference Include="Octopus.Server.Extensibility.Authentication" Version="11.1.126" />