diff --git a/docs/NetVips.Docs.csproj b/docs/NetVips.Docs.csproj
index 2d6abec..d281719 100644
--- a/docs/NetVips.Docs.csproj
+++ b/docs/NetVips.Docs.csproj
@@ -10,6 +10,9 @@
 
   <ItemGroup>
     <PackageReference Include="Docfx.App" Version="2.77.0" />
+    <!-- The versions of Microsoft.CodeAnalysis.* must match exactly what Docfx.App was built against -->
+    <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="[4.10.0]" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="[4.10.0]" />
   </ItemGroup>
 
 </Project>