diff --git a/eng/Versions.props b/eng/Versions.props
index 9823ce5efccdad..a7c00e5d82ee79 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -20,6 +20,7 @@
     <UsingToolMicrosoftNetILLinkTasks>true</UsingToolMicrosoftNetILLinkTasks>
     <UsingToolIbcOptimization>false</UsingToolIbcOptimization>
     <UsingToolXliff>false</UsingToolXliff>
+    <LastReleasedStableAssemblyVersion>$(AssemblyVersion)</LastReleasedStableAssemblyVersion>
   </PropertyGroup>
   <!--
     Servicing build settings for Setup/Installer packages. Instructions:
diff --git a/eng/packaging.targets b/eng/packaging.targets
index 8bd6ccbaeb9af6..7f9707ab8d8148 100644
--- a/eng/packaging.targets
+++ b/eng/packaging.targets
@@ -245,4 +245,10 @@
     </ItemGroup>
   </Target>
 
+  <Target Name="ValidateAssemblyVersionsInRefPack" 
+          Condition="$(_AssemblyInTargetingPack) == 'true' and '$(PreReleaseVersionLabel)' == 'servicing'" 
+          AfterTargets="CoreCompile" >
+    <Error Condition="'$(AssemblyVersion)' != '$(LastReleasedStableAssemblyVersion)'" Text="AssemblyVersion should match last released assembly version $(LastReleasedStableAssemblyVersion)" />
+  </Target>
+
 </Project>