diff --git a/src/Framework/Microsoft.Internal.Aspnetcore.DotNetApiDocs.Transport/src/Microsoft.Internal.Aspnetcore.DotNetApiDocs.Transport.csproj b/src/Framework/Microsoft.Internal.Aspnetcore.DotNetApiDocs.Transport/src/Microsoft.Internal.Aspnetcore.DotNetApiDocs.Transport.csproj
index 0fc86ce5f0f8..d4e45be41ba8 100644
--- a/src/Framework/Microsoft.Internal.Aspnetcore.DotNetApiDocs.Transport/src/Microsoft.Internal.Aspnetcore.DotNetApiDocs.Transport.csproj
+++ b/src/Framework/Microsoft.Internal.Aspnetcore.DotNetApiDocs.Transport/src/Microsoft.Internal.Aspnetcore.DotNetApiDocs.Transport.csproj
@@ -15,6 +15,8 @@
     <IsProjectReferenceProvider>false</IsProjectReferenceProvider>
     <BuildHelixPayload>false</BuildHelixPayload>
     <EnablePackageValidation>false</EnablePackageValidation>
+    <!-- Work around https://github.com/dotnet/aspnetcore/issues/61178 -->
+    <RestoreDisableParallel>true</RestoreDisableParallel>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Grpc/JsonTranscoding/Directory.Build.props b/src/Grpc/JsonTranscoding/Directory.Build.props
index 0d223bf7fb95..8cb782411996 100644
--- a/src/Grpc/JsonTranscoding/Directory.Build.props
+++ b/src/Grpc/JsonTranscoding/Directory.Build.props
@@ -8,6 +8,9 @@
     <!-- Required because Swashbuckle.AspNetCore uses shared runtime -->
     <UseAspNetCoreSharedRuntime>true</UseAspNetCoreSharedRuntime>
 
+    <!-- Work around https://github.com/dotnet/aspnetcore/issues/61178 -->
+    <RestoreDisableParallel>true</RestoreDisableParallel>
+
     <!-- Workaround lack of Linux MUSL x64 support. -->
     <ExcludeFromBuild
         Condition=" '$(TargetOsName)' == 'linux-musl' and '$(TargetArchitecture)' == 'x64' ">true</ExcludeFromBuild>