diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 5ae3d8cfe8..583aa22531 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -9,9 +9,9 @@
 -->
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.AspNetCore.Components.WebAssembly.Runtime" Version="3.2.0-preview4.20205.1">
+    <Dependency Name="Microsoft.AspNetCore.Components.WebAssembly.Runtime" Version="3.2.0-preview5.20210.1">
       <Uri>https://github.com/dotnet/blazor</Uri>
-      <Sha>eef56fe506c48f78ecd88894aac74eacfe524f80</Sha>
+      <Sha>7659b5fda2406d854c72436bdc24f1ff958995f8</Sha>
     </Dependency>
     <Dependency Name="System.Net.Http.Json" Version="3.2.0-preview4.20177.1">
       <Uri>https://github.com/dotnet/corefx</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 9e9340e6e6..5842e45729 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -99,7 +99,7 @@
     <!-- Only listed explicitly to workaround https://github.com/dotnet/cli/issues/10528 -->
     <MicrosoftNETCorePlatformsPackageVersion>3.1.0</MicrosoftNETCorePlatformsPackageVersion>
     <!-- Packages from aspnet/Blazor -->
-    <MicrosoftAspNetCoreComponentsWebAssemblyRuntimePackageVersion>3.2.0-preview4.20205.1</MicrosoftAspNetCoreComponentsWebAssemblyRuntimePackageVersion>
+    <MicrosoftAspNetCoreComponentsWebAssemblyRuntimePackageVersion>3.2.0-preview5.20210.1</MicrosoftAspNetCoreComponentsWebAssemblyRuntimePackageVersion>
     <!-- Packages from aspnet/Extensions -->
     <InternalAspNetCoreAnalyzersPackageVersion>3.1.3-servicing.20128.2</InternalAspNetCoreAnalyzersPackageVersion>
     <MicrosoftAspNetCoreAnalyzerTestingPackageVersion>3.1.3-servicing.20128.2</MicrosoftAspNetCoreAnalyzerTestingPackageVersion>