diff --git a/eng/Versions.props b/eng/Versions.props
index 1ee40d1c51..c8b56f412f 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <RepositoryUrl>https://github.com/dotnet/diagnostics</RepositoryUrl>
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
-    <VersionPrefix>8.0.0</VersionPrefix>
+    <VersionPrefix>9.0.0</VersionPrefix>
     <DotNetUseShippingVersions>true</DotNetUseShippingVersions>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
     <!--