diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 1b690ed8d7..dd8824a05f 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-alpha1.19561.1">
+    <Dependency Name="Microsoft.AspNetCore.Blazor.Mono" Version="5.0.0-alpha1.19563.1">
       <Uri>https://github.com/aspnet/Blazor</Uri>
-      <Sha>075a3dd8e393750c815ee2a1e27a5dff51c6e017</Sha>
+      <Sha>3bf21812d726eef780eaba78ed9b76200a9acf76</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.Razor.Language" Version="5.0.0-alpha.1.19563.6">
       <Uri>https://github.com/aspnet/AspNetCore-Tooling</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 2a95e97ee8..b3eedd8545 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -94,7 +94,7 @@
     <!-- Only listed explicitly to workaround https://github.com/dotnet/cli/issues/10528 -->
     <MicrosoftNETCorePlatformsPackageVersion>5.0.0-alpha.1.19556.7</MicrosoftNETCorePlatformsPackageVersion>
     <!-- Packages from aspnet/Blazor -->
-    <MicrosoftAspNetCoreBlazorMonoPackageVersion>5.0.0-alpha1.19561.1</MicrosoftAspNetCoreBlazorMonoPackageVersion>
+    <MicrosoftAspNetCoreBlazorMonoPackageVersion>5.0.0-alpha1.19563.1</MicrosoftAspNetCoreBlazorMonoPackageVersion>
     <!-- Packages from aspnet/Extensions -->
     <InternalAspNetCoreAnalyzersPackageVersion>5.0.0-alpha1.19561.10</InternalAspNetCoreAnalyzersPackageVersion>
     <MicrosoftAspNetCoreAnalyzerTestingPackageVersion>5.0.0-alpha1.19561.10</MicrosoftAspNetCoreAnalyzerTestingPackageVersion>