diff --git a/build/DependencyVersions.props b/build/DependencyVersions.props
index 27ec990cee..70d74c0f69 100644
--- a/build/DependencyVersions.props
+++ b/build/DependencyVersions.props
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
-    <MicrosoftAspNetCoreAllPackageVersion>2.1.20</MicrosoftAspNetCoreAllPackageVersion>
+    <MicrosoftAspNetCoreAllPackageVersion>2.1.21</MicrosoftAspNetCoreAllPackageVersion>
     <MicrosoftAspNetCoreAppPackageVersion>$(MicrosoftAspNetCoreAllPackageVersion)</MicrosoftAspNetCoreAppPackageVersion>
     <MicrosoftAspNetCoreDeveloperCertificatesXPlatPackageVersion>2.1.1</MicrosoftAspNetCoreDeveloperCertificatesXPlatPackageVersion>
     <MicrosoftAspNetCoreMvcPackageVersion>2.1.3</MicrosoftAspNetCoreMvcPackageVersion>
@@ -10,7 +10,7 @@
     <DotnetSqlCachePackageVersion>2.1.1</DotnetSqlCachePackageVersion>
     <DotnetUserSecretsPackageVersion>2.1.1</DotnetUserSecretsPackageVersion>
     <DotnetWatchPackageVersion>2.1.1</DotnetWatchPackageVersion>
-    <MicrosoftNETCoreAppPackageVersion>2.1.20</MicrosoftNETCoreAppPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>2.1.21</MicrosoftNETCoreAppPackageVersion>
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
     <MicrosoftBuildPackageVersion>15.9.20</MicrosoftBuildPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildFrameworkPackageVersion>