diff --git a/src/SolutionInfo.cs b/src/SolutionInfo.cs
index 156b91187f..143df3dc46 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("8.16.0")]
-[assembly: AssemblyInformationalVersion("8.16.0")]
+[assembly: AssemblyFileVersion("8.17.0")]
+[assembly: AssemblyInformationalVersion("8.17.0-rc")]
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index 024ce07c5f..e5c229349a 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -348,9 +348,9 @@
         <WebProjectProperties>
           <UseIIS>False</UseIIS>
           <AutoAssignPort>True</AutoAssignPort>
-          <DevelopmentServerPort>8160</DevelopmentServerPort>
+          <DevelopmentServerPort>8170</DevelopmentServerPort>
           <DevelopmentServerVPath>/</DevelopmentServerVPath>
-          <IISUrl>http://localhost:8160</IISUrl>
+          <IISUrl>http://localhost:8170</IISUrl>
           <NTLMAuthentication>False</NTLMAuthentication>
           <UseCustomServer>False</UseCustomServer>
           <CustomServerUrl>