diff --git a/eng/Versions.props b/eng/Versions.props
index b0bc3f1023..ba11bbd28c 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -6,8 +6,8 @@
   </PropertyGroup>
   <PropertyGroup>
     <MajorVersion>1</MajorVersion>
-    <MinorVersion>3</MinorVersion>
-    <PreReleaseVersionLabel>rtw</PreReleaseVersionLabel>
+    <MinorVersion>4</MinorVersion>
+    <PreReleaseVersionLabel>preview.1</PreReleaseVersionLabel>
     <DotNetFinalVersionKind Condition="'$(PreReleaseVersionLabel)' == 'rtw'">release</DotNetFinalVersionKind>
   </PropertyGroup>
   <PropertyGroup>