diff --git a/src/SDKs/OperationalInsights/DataPlane/OperationalInsights/OperationalInsights.csproj b/src/SDKs/OperationalInsights/DataPlane/OperationalInsights/OperationalInsights.csproj
index cdb26b2d0801f..429145cc6712c 100644
--- a/src/SDKs/OperationalInsights/DataPlane/OperationalInsights/OperationalInsights.csproj
+++ b/src/SDKs/OperationalInsights/DataPlane/OperationalInsights/OperationalInsights.csproj
@@ -5,7 +5,7 @@
     <PackageId>Microsoft.Azure.OperationalInsights</PackageId>
     <Description>Provides Microsoft Azure Operational Insights data operations</Description>
     <AssemblyName>Microsoft.Azure.OperationalInsights</AssemblyName>
-    <VersionPrefix>1.0.0-preview</VersionPrefix>
+    <VersionPrefix>0.9.0.0-preview</VersionPrefix>
     <PackageTags>Microsoft Azure OperationalInsights;OperationalInsights</PackageTags>    
 	<PackageReleaseNotes>
       <![CDATA[
diff --git a/src/SDKs/OperationalInsights/DataPlane/OperationalInsights/Properties/AssemblyInfo.cs b/src/SDKs/OperationalInsights/DataPlane/OperationalInsights/Properties/AssemblyInfo.cs
index 536d9a9bf1b5c..f6fa30c31a8d7 100644
--- a/src/SDKs/OperationalInsights/DataPlane/OperationalInsights/Properties/AssemblyInfo.cs
+++ b/src/SDKs/OperationalInsights/DataPlane/OperationalInsights/Properties/AssemblyInfo.cs
@@ -11,8 +11,8 @@
 [assembly: AssemblyProduct("Azure .NET SDK")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCopyright("Copyright (c) Microsoft Corporation")]
-[assembly: AssemblyVersion("0.18.0.0")]
-[assembly: AssemblyFileVersion("0.18.0.0")]
+[assembly: AssemblyVersion("0.9.0.0")]
+[assembly: AssemblyFileVersion("0.9.0.0")]
 [assembly: AssemblyTitle("Microsoft Azure OperationalInsights Data Library")]
 [assembly: AssemblyDescription("Provides Microsoft Azure OperationalInsights data operations.")]
 [assembly: AssemblyCulture("")]