diff --git a/src/SolutionInfo.cs b/src/SolutionInfo.cs
index 3f512bc65a..082414399c 100644
--- a/src/SolutionInfo.cs
+++ b/src/SolutionInfo.cs
@@ -18,5 +18,5 @@ using System.Resources;
 [assembly: AssemblyVersion("8.0.0")]
 
 // these are FYI and changed automatically
-[assembly: AssemblyFileVersion("8.8.0")]
-[assembly: AssemblyInformationalVersion("8.8.0")]
+[assembly: AssemblyFileVersion("8.9.0")]
+[assembly: AssemblyInformationalVersion("8.9.0")]
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index 8b194f4481..5d9bd8c343 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -346,9 +346,9 @@
         <WebProjectProperties>
           <UseIIS>False</UseIIS>
           <AutoAssignPort>True</AutoAssignPort>
-          <DevelopmentServerPort>8800</DevelopmentServerPort>
+          <DevelopmentServerPort>8900</DevelopmentServerPort>
           <DevelopmentServerVPath>/</DevelopmentServerVPath>
-          <IISUrl>http://localhost:8800</IISUrl>
+          <IISUrl>http://localhost:8900</IISUrl>
           <NTLMAuthentication>False</NTLMAuthentication>
           <UseCustomServer>False</UseCustomServer>
           <CustomServerUrl>