diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 1e7f2fa1cf..2c9d224447 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -9,9 +9,9 @@
 -->
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.AspNetCore.Blazor.Mono" Version="5.0.0-alpha1.19403.2">
+    <Dependency Name="Microsoft.AspNetCore.Blazor.Mono" Version="5.0.0-alpha1.19405.2">
       <Uri>https://github.com/aspnet/Blazor</Uri>
-      <Sha>dd092c2236cf9375b50e19295dd2faf36e6221f6</Sha>
+      <Sha>b2c48dd8c9099f71908fac26089cbea2c76d06a1</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.Razor.Language" Version="5.0.0-alpha1.19381.2">
       <Uri>https://github.com/aspnet/AspNetCore-Tooling</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 4f48ab6d95..c2e7110155 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -90,7 +90,7 @@
     <!-- Only listed explicitly to workaround https://github.com/dotnet/cli/issues/10528 -->
     <MicrosoftNETCorePlatformsPackageVersion>3.0.0-preview8.19378.8</MicrosoftNETCorePlatformsPackageVersion>
     <!-- Packages from aspnet/Blazor -->
-    <MicrosoftAspNetCoreBlazorMonoPackageVersion>5.0.0-alpha1.19403.2</MicrosoftAspNetCoreBlazorMonoPackageVersion>
+    <MicrosoftAspNetCoreBlazorMonoPackageVersion>5.0.0-alpha1.19405.2</MicrosoftAspNetCoreBlazorMonoPackageVersion>
     <!-- Packages from aspnet/Extensions -->
     <InternalAspNetCoreAnalyzersPackageVersion>3.0.0-preview9.19401.2</InternalAspNetCoreAnalyzersPackageVersion>
     <MicrosoftAspNetCoreAnalyzerTestingPackageVersion>3.0.0-preview9.19401.2</MicrosoftAspNetCoreAnalyzerTestingPackageVersion>