diff --git a/eng/Versions.props b/eng/Versions.props
index 3602b88d15f..eaa9a073398 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -4,13 +4,13 @@
   <PropertyGroup>
     <UsingToolXliff>true</UsingToolXliff>
     <UsingToolNetFrameworkReferenceAssemblies>true</UsingToolNetFrameworkReferenceAssemblies>
-    <VersionPrefix>8.0.100</VersionPrefix>
+    <VersionPrefix>9.0.100</VersionPrefix>
     <!-- When StabilizePackageVersion is set to 'true', this branch will produce stable outputs for 'Shipping' packages -->
     <StabilizePackageVersion Condition="'$(StabilizePackageVersion)' == ''">false</StabilizePackageVersion>
     <DotNetFinalVersionKind Condition="'$(StabilizePackageVersion)' == 'true'">release</DotNetFinalVersionKind>
     <PackSpecific Condition="'$(OS)' != 'Windows_NT'">true</PackSpecific>
     <!-- Calculate prerelease label -->
-    <PreReleaseVersionLabel Condition="'$(StabilizePackageVersion)' != 'true'">rc</PreReleaseVersionLabel>
+    <PreReleaseVersionLabel Condition="'$(StabilizePackageVersion)' != 'true'">alpha</PreReleaseVersionLabel>
     <PreReleaseVersionLabel Condition="'$(StabilizePackageVersion)' == 'true' and $(VersionPrefix.EndsWith('00'))">rtm</PreReleaseVersionLabel>
     <PreReleaseVersionLabel Condition="'$(StabilizePackageVersion)' == 'true' and !$(VersionPrefix.EndsWith('00'))">servicing</PreReleaseVersionLabel>
     <PreReleaseVersionIteration Condition="'$(StabilizePackageVersion)' != 'true'">1</PreReleaseVersionIteration>