diff --git a/source/Server/Server.csproj b/source/Server/Server.csproj
index 5b93627..8353b99 100644
--- a/source/Server/Server.csproj
+++ b/source/Server/Server.csproj
@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Authentication.Negotiate" Version="5.0.6" />
     <PackageReference Include="System.DirectoryServices.AccountManagement" Version="4.5.0" />
-    <PackageReference Include="System.DirectoryServices" Version="4.5.0" />
+    <PackageReference Include="System.DirectoryServices" Version="5.0.0" />
     <PackageReference Include="Octopus.Configuration" Version="4.0.0" />
     <PackageReference Include="Octopus.Diagnostics" Version="2.1.1" />
     <PackageReference Include="Octopus.Server.Extensibility.Authentication" Version="11.0.0" />