diff --git a/eng/Versions.props b/eng/Versions.props
index 944237c4bc5ce..6b19c2f5390b8 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -79,6 +79,23 @@
   <PropertyGroup>
     <MicrosoftCodeAnalysisCSharpCodeStyleVersion>$(MicrosoftCodeAnalysisVersion_LatestVS)</MicrosoftCodeAnalysisCSharpCodeStyleVersion>
   </PropertyGroup>
+  <!--
+    Temporarily consume the older dependencies from maintenance-packages when not in source-build. https://github.com/dotnet/sdk/issues/45155
+  -->
+  <PropertyGroup Condition="'$(DotNetBuildSourceOnly)' != 'true'">
+    <SystemBuffersVersion>4.5.1</SystemBuffersVersion>
+    <SystemMemoryVersion>4.5.5</SystemMemoryVersion>
+    <SystemNumericsVectorsVersion>4.5.0</SystemNumericsVectorsVersion>
+    <SystemRuntimeCompilerServicesUnsafeVersion>6.0.0</SystemRuntimeCompilerServicesUnsafeVersion>
+    <SystemThreadingTasksExtensionsVersion>4.5.4</SystemThreadingTasksExtensionsVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(DotNetBuildSourceOnly)' == 'true'">
+    <SystemBuffersVersion>4.6.0</SystemBuffersVersion>
+    <SystemMemoryVersion>4.6.0</SystemMemoryVersion>
+    <SystemNumericsVectorsVersion>4.6.0</SystemNumericsVectorsVersion>
+    <SystemRuntimeCompilerServicesUnsafeVersion>6.1.0</SystemRuntimeCompilerServicesUnsafeVersion>
+    <SystemThreadingTasksExtensionsVersion>4.6.0</SystemThreadingTasksExtensionsVersion>
+  </PropertyGroup>
   <PropertyGroup>
     <StaticCsVersion>0.2.0</StaticCsVersion>
     <!-- SDK dependencies (also used in wasm build tests -->
@@ -114,14 +131,11 @@
     <MicrosoftBclHashCodeVersion>6.0.0</MicrosoftBclHashCodeVersion>
     <MicrosoftWin32RegistryVersion>5.0.0</MicrosoftWin32RegistryVersion>
     <StyleCopAnalyzersVersion>1.2.0-beta.507</StyleCopAnalyzersVersion>
-    <SystemBuffersVersion>4.6.0</SystemBuffersVersion>
     <SystemComponentModelAnnotationsVersion>5.0.0</SystemComponentModelAnnotationsVersion>
     <SystemDataSqlClientVersion>4.9.0</SystemDataSqlClientVersion>
     <SystemDrawingCommonVersion>8.0.0</SystemDrawingCommonVersion>
     <SystemFormatsAsn1Version>8.0.1</SystemFormatsAsn1Version>
     <SystemIOFileSystemAccessControlVersion>5.0.0</SystemIOFileSystemAccessControlVersion>
-    <SystemMemoryVersion>4.6.0</SystemMemoryVersion>
-    <SystemNumericsVectorsVersion>4.6.0</SystemNumericsVectorsVersion>
     <SystemReflectionMetadataVersion>10.0.0-alpha.1.24565.3</SystemReflectionMetadataVersion>
     <SystemReflectionMetadataLoadContextVersion>10.0.0-alpha.1.24565.3</SystemReflectionMetadataLoadContextVersion>
     <SystemSecurityAccessControlVersion>6.0.0</SystemSecurityAccessControlVersion>
@@ -130,9 +144,7 @@
     <SystemSecurityPrincipalWindowsVersion>5.0.0</SystemSecurityPrincipalWindowsVersion>
     <SystemSecurityPermissionsVersion>7.0.0</SystemSecurityPermissionsVersion>
     <SystemTextJsonVersion>10.0.0-alpha.1.24565.3</SystemTextJsonVersion>
-    <SystemRuntimeCompilerServicesUnsafeVersion>6.1.0</SystemRuntimeCompilerServicesUnsafeVersion>
     <SystemThreadingAccessControlVersion>7.0.0</SystemThreadingAccessControlVersion>
-    <SystemThreadingTasksExtensionsVersion>4.6.0</SystemThreadingTasksExtensionsVersion>
     <SystemValueTupleVersion>4.5.0</SystemValueTupleVersion>
     <runtimenativeSystemIOPortsVersion>10.0.0-alpha.1.24565.3</runtimenativeSystemIOPortsVersion>
     <!-- Keep toolset versions in sync with dotnet/msbuild and dotnet/sdk -->