diff --git a/eng/Versions.props b/eng/Versions.props
index 5993821c9ea..5ce287e802b 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -71,21 +71,29 @@
     <AssemblyVersion>$(VersionPrefix).0</AssemblyVersion>
     <!-- PR builds should explicitly specify a version number -->
   </PropertyGroup>
+  <!-- Dependencies from maintenance-packages, source-build specific -->
+  <PropertyGroup Condition="'$(DotNetBuildSourceOnly)' == 'true'">
+    <SystemBuffersVersion>4.6.1</SystemBuffersVersion>
+    <SystemMemoryVersion>4.6.2</SystemMemoryVersion>
+    <SystemRuntimeCompilerServicesUnsafeVersion>6.1.1</SystemRuntimeCompilerServicesUnsafeVersion>
+  </PropertyGroup>
+  <!-- Dependencies from maintenance-packages, everything else -->
+  <PropertyGroup Condition="'$(DotNetBuildSourceOnly)' != 'true'">
+    <SystemBuffersVersion>4.6.0</SystemBuffersVersion>
+    <SystemMemoryVersion>4.5.5</SystemMemoryVersion>
+    <SystemRuntimeCompilerServicesUnsafeVersion>6.1.0</SystemRuntimeCompilerServicesUnsafeVersion>
+  </PropertyGroup>
   <PropertyGroup>
     <!-- System.* packages -->
     <!-- If a System.* package is stuck on version 4.3.x, targets .NET Standard 1.x and hasn't been
     updated in years, you most likely DON'T need it, please exercise caution when adding it to the list. -->
     <SystemPackageVersionVersion>8.0.0</SystemPackageVersionVersion>
-    <SystemBuffersVersion>4.6.0</SystemBuffersVersion>
     <SystemCollectionsImmutableVersion>$(SystemPackageVersionVersion)</SystemCollectionsImmutableVersion>
     <SystemComponentModelCompositionVersion>$(SystemPackageVersionVersion)</SystemComponentModelCompositionVersion>
     <SystemCompositionVersion>$(SystemPackageVersionVersion)</SystemCompositionVersion>
     <SystemDiagnosticsDiagnosticSourceVersion>$(SystemPackageVersionVersion)</SystemDiagnosticsDiagnosticSourceVersion>
-    <SystemMemoryVersion Condition="'$(DotNetBuildSourceOnly)' != 'true'">4.5.5</SystemMemoryVersion>
-    <SystemMemoryVersion Condition="'$(DotNetBuildSourceOnly)' == 'true'">4.6.0</SystemMemoryVersion>
     <SystemReflectionEmitVersion>4.7.0</SystemReflectionEmitVersion>
     <SystemReflectionMetadataVersion>$(SystemPackageVersionVersion)</SystemReflectionMetadataVersion>
-    <SystemRuntimeCompilerServicesUnsafeVersion>6.1.0</SystemRuntimeCompilerServicesUnsafeVersion>
     <SystemThreadingTasksDataflow>$(SystemPackageVersionVersion)</SystemThreadingTasksDataflow>
     <MicrosoftDiaSymReaderPortablePdbVersion>1.6.0</MicrosoftDiaSymReaderPortablePdbVersion>
     <!-- Versions for package groups -->
diff --git a/src/Compiler/FSharp.Compiler.Service.fsproj b/src/Compiler/FSharp.Compiler.Service.fsproj
index 493248a11d3..ca08c3f63d9 100644
--- a/src/Compiler/FSharp.Compiler.Service.fsproj
+++ b/src/Compiler/FSharp.Compiler.Service.fsproj
@@ -23,7 +23,7 @@
 
      OSX and Linux has problems with Xliff targets for net9, skipping via SKIP_NETCURRENT_FSC_BUILD until resolved ( The target "UpdateXlf" does not exist in the project.)
 	-->
-    <TargetFrameworks Condition=" '$(OfficialBuildId)' == '' AND '$(FSharpNetCoreProductDefaultTargetFramework)' != '' AND '$(Configuration)' != 'Proto' AND '$(SKIP_NETCURRENT_FSC_BUILD)' != 'true' ">$(FSharpNetCoreProductDefaultTargetFramework);$(TargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OfficialBuildId)' == '' AND '$(FSharpNetCoreProductTargetFramework)' != '' AND '$(Configuration)' != 'Proto' AND '$(SKIP_NETCURRENT_FSC_BUILD)' != 'true' ">$(FSharpNetCoreProductTargetFramework);$(TargetFrameworks)</TargetFrameworks>
     <DefineConstants Condition="'$(FSHARPCORE_USE_PACKAGE)' == 'true'">$(DefineConstants);FSHARPCORE_USE_PACKAGE</DefineConstants>
     <OtherFlags>$(OtherFlags) --extraoptimizationloops:1</OtherFlags>
 
diff --git a/src/FSharp.Build/Microsoft.FSharp.NetSdk.props b/src/FSharp.Build/Microsoft.FSharp.NetSdk.props
index 38d83cd8ab4..e45f864ce22 100644
--- a/src/FSharp.Build/Microsoft.FSharp.NetSdk.props
+++ b/src/FSharp.Build/Microsoft.FSharp.NetSdk.props
@@ -94,7 +94,7 @@ WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and
   <Import Project="Microsoft.FSharp.Core.NetSdk.props" />                       <!-- Sets initial value of FSharp.Core -->
 
   <PropertyGroup>
-    <ValueTupleImplicitPackageVersion>4.4.0</ValueTupleImplicitPackageVersion>
+    <ValueTupleImplicitPackageVersion>4.6.1</ValueTupleImplicitPackageVersion>
   </PropertyGroup>
 
   <ItemGroup>