diff --git a/eng/Baseline.Designer.props b/eng/Baseline.Designer.props
index c302f8099d0..ed3382cb836 100644
--- a/eng/Baseline.Designer.props
+++ b/eng/Baseline.Designer.props
@@ -2,7 +2,7 @@
 <Project>
   <PropertyGroup>
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
-    <ExtensionsBaselineVersion>2.1.26</ExtensionsBaselineVersion>
+    <ExtensionsBaselineVersion>2.1.27</ExtensionsBaselineVersion>
   </PropertyGroup>
   <!-- Package: Microsoft.Extensions.Caching.Abstractions-->
   <PropertyGroup Condition=" '$(PackageId)' == 'Microsoft.Extensions.Caching.Abstractions' ">
diff --git a/eng/Baseline.xml b/eng/Baseline.xml
index 2cc9d6eef27..fd11b06d68e 100644
--- a/eng/Baseline.xml
+++ b/eng/Baseline.xml
@@ -1,4 +1,4 @@
-<Baseline Version="2.1.26">
+<Baseline Version="2.1.27">
   <Package Id="Microsoft.Extensions.Caching.Abstractions" Version="2.1.23" />
   <Package Id="Microsoft.Extensions.Caching.Memory" Version="2.1.23" />
   <Package Id="Microsoft.Extensions.Caching.Redis" Version="2.1.2" />
diff --git a/eng/Dependencies.props b/eng/Dependencies.props
index 033dcb8b528..dfd69da67c7 100644
--- a/eng/Dependencies.props
+++ b/eng/Dependencies.props
@@ -5,8 +5,9 @@
 
   <!-- These package versions may be overridden or updated by automation. -->
   <PropertyGroup Label="Package Versions: Auto">
-    <InternalAspNetCoreSdkPackageVersion>2.1.7-build-20200221.1</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftNETCoreAppPackageVersion>2.1.26</MicrosoftNETCoreAppPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.7-build-20210413.1</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>2.1.27</MicrosoftNETCoreAppPackageVersion>
+
     <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
     <SystemDataSqlClientPackageVersion>4.5.3</SystemDataSqlClientPackageVersion>
     <SystemDiagnosticsDiagnosticSourcePackageVersion>4.5.1</SystemDiagnosticsDiagnosticSourcePackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 4ebdda95e91..fa8df591ab4 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.7-build-20210309.1
-commithash:661bf72b3a220a08f26c1919c6f33113e894466d
+version:2.1.7-build-20210413.1
+commithash:41a55f8d844c4be8c4afa5f70f72b80067f0d113
diff --git a/version.props b/version.props
index 4660ae9b91a..33f130299ff 100644
--- a/version.props
+++ b/version.props
@@ -3,7 +3,7 @@
     <MajorVersion>2</MajorVersion>
     <MinorVersion>1</MinorVersion>
     <PatchVersion>28</PatchVersion>
-    <ValidateBaseline>false</ValidateBaseline>
+    <ValidateBaseline>true</ValidateBaseline>
 
     <PreReleaseLabel>servicing</PreReleaseLabel>
     <PreReleaseBrandingLabel></PreReleaseBrandingLabel>