diff --git a/build/Katana.version.targets b/build/Katana.version.targets
index 22915000..6e2733bc 100644
--- a/build/Katana.version.targets
+++ b/build/Katana.version.targets
@@ -3,13 +3,13 @@
   <PropertyGroup>
     <ShipVersion>4.0.0</ShipVersion>
     <ShipStrongNameVersion>4.0.0.0</ShipStrongNameVersion>
-    <ShipFullVersion>4.0.0-preview1-000</ShipFullVersion>
-    <ShipFileVersion>4.0.61115.0</ShipFileVersion>
+    <ShipFullVersion>4.0.0-rtm-000</ShipFullVersion>
+    <ShipFileVersion>4.0.70129.0</ShipFileVersion>
     <MajorVersion>4</MajorVersion>
     <MinorVersion>0</MinorVersion>
     <PatchVersion>0</PatchVersion>
-    <BuildQuality>preview1</BuildQuality>
-    <BuildDate>61115</BuildDate>
+    <BuildQuality>rtm</BuildQuality>
+    <BuildDate>70129</BuildDate>
     <BranchSuffix></BranchSuffix>
     <Eula>https://www.microsoft.com/web/webpi/eula/net_library_eula_enu.htm</Eula>
     <ProjectUrl>https://github.com/aspnet/AspNetKatana/</ProjectUrl>
diff --git a/build/Sakefile.shade b/build/Sakefile.shade
index 713d8002..ec3db30a 100644
--- a/build/Sakefile.shade
+++ b/build/Sakefile.shade
@@ -1,9 +1,9 @@
 
 var PROJECT='Katana'
 var AUTHORS='Microsoft'
-var SHIP='${Version(4, 0, 0, "preview1")}'
+var SHIP='${Version(4, 0, 0, "rtm")}'
 var DEV='${Version(0, 31, 0, "pre")}'
-set FINAL_MILESTONE='${false}'
+set FINAL_MILESTONE='${true}'
 var AZUREAD_VERSION='5.2.0'
 var AZUREAD_SUFFIX=''
 var VERSION='${SHIP.VERSION}'