diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 86f4c3fa7c..3ee62c95d1 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -13,9 +13,9 @@
       <Uri>https://github.com/dotnet/blazor</Uri>
       <Sha>8fd1790cdb5ff704cdf85532caf209e782f43a8f</Sha>
     </Dependency>
-    <Dependency Name="System.Net.Http.Json" Version="3.2.0-preview5.20210.3">
+    <Dependency Name="System.Net.Http.Json" Version="3.2.0-rc1.20216.1">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>557f293f3469cb64a4f3d06b6941b387e44df2d2</Sha>
+      <Sha>da3727947aa4267f9e1c1c6d57d93bf58f2d9ad1</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 558489dadc..0073866004 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -93,7 +93,7 @@
     <SystemServiceProcessServiceControllerPackageVersion>4.7.0</SystemServiceProcessServiceControllerPackageVersion>
     <SystemTextEncodingsWebPackageVersion>4.7.0</SystemTextEncodingsWebPackageVersion>
     <SystemTextJsonPackageVersion>4.7.1</SystemTextJsonPackageVersion>
-    <SystemNetHttpJsonPackageVersion>3.2.0-preview5.20210.3</SystemNetHttpJsonPackageVersion>
+    <SystemNetHttpJsonPackageVersion>3.2.0-rc1.20216.1</SystemNetHttpJsonPackageVersion>
     <SystemThreadingChannelsPackageVersion>4.7.0</SystemThreadingChannelsPackageVersion>
     <SystemWindowsExtensionsPackageVersion>4.7.0</SystemWindowsExtensionsPackageVersion>
     <!-- Only listed explicitly to workaround https://github.com/dotnet/cli/issues/10528 -->