diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index a90f0ac3cc..3453cbc4a6 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
-  <Source Uri="https://github.com/dotnet/dotnet" Mapping="fsharp" Sha="542fea6988c173c64859bab06c9d2d100034843c" BarId="305563" />
+  <Source Uri="https://github.com/dotnet/dotnet" Mapping="fsharp" Sha="1a405c76db678301b6f6f5b22d2a63a152c26b97" BarId="309188" />
   <ProductDependencies>
     <Dependency Name="Microsoft.Build" Version="18.6.0-preview-26180-08">
       <Uri>https://github.com/dotnet/msbuild</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index b96d89e5c0..a5802082fb 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -14,7 +14,7 @@
   <PropertyGroup>
     <!-- Don't use the built in support for pre-release iteration. The nuget repack task doesn't support
          the iteration format at the moment. https://github.com/dotnet/arcade/issues/15919 -->
-    <FSharpPreReleaseIteration>3</FSharpPreReleaseIteration>
+    <FSharpPreReleaseIteration>4</FSharpPreReleaseIteration>
     <PreReleaseVersionLabel>preview$(FSharpPreReleaseIteration)</PreReleaseVersionLabel>
     <!-- F# Version components -->
     <FSMajorVersion>11</FSMajorVersion>