diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 595820890033..f0c19f5b85f8 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -19,13 +19,13 @@
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>7b731032220c21a3ed0021c72757b1f3122579b2</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Private.CoreFx.NETCoreApp" Version="5.0.0-alpha.1.19527.5">
+    <Dependency Name="Microsoft.Private.CoreFx.NETCoreApp" Version="5.0.0-alpha.1.19529.15">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>17c14aa2b50cfb5920d03ea8835c9a4932b5359c</Sha>
+      <Sha>8ee61dd103ff55445f8baf3137bb768ed86370d9</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.Platforms" Version="5.0.0-alpha.1.19527.5">
+    <Dependency Name="Microsoft.NETCore.Platforms" Version="5.0.0-alpha.1.19529.15">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>17c14aa2b50cfb5920d03ea8835c9a4932b5359c</Sha>
+      <Sha>8ee61dd103ff55445f8baf3137bb768ed86370d9</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NETCore.App" Version="5.0.0-alpha1.19527.2">
       <Uri>https://github.com/dotnet/core-setup</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 28b09067106c..aea781da6adf 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -20,8 +20,8 @@
     <MicrosoftDotNetXUnitConsoleRunnerVersion>2.5.1-beta.19278.1</MicrosoftDotNetXUnitConsoleRunnerVersion>
     <MicrosoftDotNetVersionToolsTasksVersion>1.0.0-beta.19463.3</MicrosoftDotNetVersionToolsTasksVersion>
     <!-- corefx -->
-    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>5.0.0-alpha.1.19527.5</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
-    <MicrosoftNETCorePlatformsVersion>5.0.0-alpha.1.19527.5</MicrosoftNETCorePlatformsVersion>
+    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>5.0.0-alpha.1.19529.15</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
+    <MicrosoftNETCorePlatformsVersion>5.0.0-alpha.1.19529.15</MicrosoftNETCorePlatformsVersion>
     <MicrosoftBclAsyncInterfacesVersion>1.0.0-preview7.19326.2</MicrosoftBclAsyncInterfacesVersion>
     <!-- core-setup -->
     <MicrosoftNETCoreAppVersion>5.0.0-alpha1.19527.2</MicrosoftNETCoreAppVersion>