diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 4083b27802..455440a55d 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -31,9 +31,9 @@
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-corefx</Uri>
       <Sha>059a4a19e602494bfbed473dbbb18f2dbfbd0878</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.AspNetCore.DeveloperCertificates.XPlat" Version="3.1.14-servicing.21153.17">
+    <Dependency Name="Microsoft.AspNetCore.DeveloperCertificates.XPlat" Version="3.1.14-servicing.21166.8">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-aspnetcore</Uri>
-      <Sha>4358594db7e2a29adf41b4a7b7c678030e86e792</Sha>
+      <Sha>440dadc05b2bed38e6a726c2492db90e77d43c62</Sha>
     </Dependency>
     <!-- Keep this dependency at the bottom of ProductDependencies, else it will be picked as the parent for CoherentParentDependencies -->
     <Dependency Name="Microsoft.NETCore.App.Ref" Version="3.1.0" Pinned="true">
diff --git a/eng/Versions.props b/eng/Versions.props
index bd5267a443..a773041dbd 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -28,7 +28,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/aspnet/AspNetCore -->
-    <MicrosoftAspNetCoreDeveloperCertificatesXPlatPackageVersion>3.1.14-servicing.21153.17</MicrosoftAspNetCoreDeveloperCertificatesXPlatPackageVersion>
+    <MicrosoftAspNetCoreDeveloperCertificatesXPlatPackageVersion>3.1.14-servicing.21166.8</MicrosoftAspNetCoreDeveloperCertificatesXPlatPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/microsoft/msbuild -->