diff --git a/NuGet.config b/NuGet.config
index 90e21e18c5bffd..6544a77805caf6 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -9,7 +9,7 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-emsdk -->
-    <add key="darc-pub-dotnet-emsdk-6c7f38c" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-6c7f38c6/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-864fae9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-864fae9e/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-emsdk -->
     <!--  Begin: Package sources from dotnet-wcf -->
     <!--  End: Package sources from dotnet-wcf -->
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index b64486cec2ab43..0575cae370e525 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -8,17 +8,17 @@
       <Uri>https://github.com/dotnet/msquic</Uri>
       <Sha>7312355e44fd230b7aa26c7190f3870391751476</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.100" Version="6.0.20">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.100" Version="6.0.21">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>6c7f38c614304c93cd392907df7d5e770d5cf7f1</Sha>
+      <Sha>864fae9e00da58498da19b40d46be706a9bf5f47</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.300" Version="6.0.20">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.300" Version="6.0.21">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>6c7f38c614304c93cd392907df7d5e770d5cf7f1</Sha>
+      <Sha>864fae9e00da58498da19b40d46be706a9bf5f47</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.400" Version="6.0.20">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.400" Version="6.0.21">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>6c7f38c614304c93cd392907df7d5e770d5cf7f1</Sha>
+      <Sha>864fae9e00da58498da19b40d46be706a9bf5f47</Sha>
     </Dependency>
     <Dependency Name="System.ServiceModel.Primitives" Version="4.9.0">
       <Uri>https://github.com/dotnet/wcf</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 851a89e62004da..bf34af3e0dc50c 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -175,9 +175,9 @@
     <runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21416.1</runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
     <runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21416.1</runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
     <!-- emscripten / Node -->
-    <MicrosoftNETWorkloadEmscriptenManifest60100Version>6.0.20</MicrosoftNETWorkloadEmscriptenManifest60100Version>
-    <MicrosoftNETWorkloadEmscriptenManifest60300Version>6.0.20</MicrosoftNETWorkloadEmscriptenManifest60300Version>
-    <MicrosoftNETWorkloadEmscriptenManifest60400Version>6.0.20</MicrosoftNETWorkloadEmscriptenManifest60400Version>
+    <MicrosoftNETWorkloadEmscriptenManifest60100Version>6.0.21</MicrosoftNETWorkloadEmscriptenManifest60100Version>
+    <MicrosoftNETWorkloadEmscriptenManifest60300Version>6.0.21</MicrosoftNETWorkloadEmscriptenManifest60300Version>
+    <MicrosoftNETWorkloadEmscriptenManifest60400Version>6.0.21</MicrosoftNETWorkloadEmscriptenManifest60400Version>
     <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenManifest60100Version)</MicrosoftNETRuntimeEmscriptenVersion>
     <!-- workloads -->
     <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>