diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1b1e0ec..dde3f6c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,8 +28,8 @@ jobs:
       - name: Set up .NET
         uses: actions/setup-dotnet@v4
         with:
-          # The libraries multi-target net8.0;net10.0, but the 10.x SDK builds both and the
-          # test projects are net10.0-only, so no 8.x runtime is needed.
+          # Libraries and tests multi-target net8.0;net10.0: the 10.x SDK builds both,
+          # and the 8.x runtime is needed to run the net8.0 test assemblies.
           dotnet-version: |
             8.x
             10.x
diff --git a/Directory.Build.props b/Directory.Build.props
index 42ec6b8..111ddad 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -44,7 +44,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.401" PrivateAssets="All" />
   </ItemGroup>
 
 </Project>