diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index ed784c106..c1536e0cf 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -36,9 +36,9 @@
       <Sha>7d57652f33493fa022125b7f63aad0d70c52d810</Sha>
     </Dependency>
     <!-- Used to pull in the feed for Microsoft.NETCore.Platforms, but not referenced directly -->
-    <Dependency Name="Microsoft.NETCore.Platforms" Version="3.1.0-preview1.19463.3"  CoherentParentDependency="Microsoft.NetCore.App">
+    <Dependency Name="Microsoft.NETCore.Platforms" Version="3.1.0-preview1.19477.6" CoherentParentDependency="Microsoft.NetCore.App">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>d0f0bfa5b123b4c1183c889cf4017bb529675502</Sha>
+      <Sha>719c1be452ab63d28a2d4b7cb53d7b38e228a41a</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="3.1.0-preview1.19475.24">
       <Uri>https://github.com/aspnet/AspNetCore</Uri>