diff --git a/sdk/resources/Microsoft.Azure.Management.Resource/src/Microsoft.Azure.Management.ResourceManager.csproj b/sdk/resources/Microsoft.Azure.Management.Resource/src/Microsoft.Azure.Management.ResourceManager.csproj
index 5e4d9d769a65..de3aaccf807f 100644
--- a/sdk/resources/Microsoft.Azure.Management.Resource/src/Microsoft.Azure.Management.ResourceManager.csproj
+++ b/sdk/resources/Microsoft.Azure.Management.Resource/src/Microsoft.Azure.Management.ResourceManager.csproj
@@ -10,7 +10,7 @@
 			Development of this library has shifted focus to the Azure Unified SDK. The future development will be focused on "Azure.ResourceManager.Resources" (https://www.nuget.org/packages/Azure.ResourceManager.Resources/). Please see the package changelog for more information.
 		</Description>
 		<AssemblyName>Microsoft.Azure.Management.ResourceManager</AssemblyName>
-		<Version>4.0.0</Version>
+		<Version>3.8.0-preview</Version>
 		<PackageTags>Microsoft Azure resource management;resource management;resource groups;</PackageTags>
 		<PackageReleaseNotes>
       <![CDATA[
diff --git a/sdk/resources/Microsoft.Azure.Management.Resource/src/Properties/AssemblyInfo.cs b/sdk/resources/Microsoft.Azure.Management.Resource/src/Properties/AssemblyInfo.cs
index c57fd0ed55e2..39e5a10101ab 100644
--- a/sdk/resources/Microsoft.Azure.Management.Resource/src/Properties/AssemblyInfo.cs
+++ b/sdk/resources/Microsoft.Azure.Management.Resource/src/Properties/AssemblyInfo.cs
@@ -7,8 +7,8 @@
 [assembly: AssemblyTitle("Microsoft Azure Resource Management Library")]
 [assembly: AssemblyDescription("Provides Microsoft Azure resource management operations including Resource Groups.")]
 
-[assembly: AssemblyVersion("4.0.0.0")]
-[assembly: AssemblyFileVersion("4.0.0.0")]
+[assembly: AssemblyVersion("3.0.0.0")]
+[assembly: AssemblyFileVersion("3.8.0.0")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("Microsoft")]
 [assembly: AssemblyProduct("Azure .NET SDK")]