diff --git a/0001-dotnet-anolis-add-distro.patch b/0001-dotnet-anolis-add-distro.patch
index eaf810e711f405b376a3de35a95cc81045d98269..ff3ea9b8aa077ebb2a1186c7aab8bd797f9ddcec 100644
--- a/0001-dotnet-anolis-add-distro.patch
+++ b/0001-dotnet-anolis-add-distro.patch
@@ -1,6 +1,6 @@
-diff -Nurw dotnet-v3.1.420-SDK/repos/core-setup.common.targets dotnet-v3.1.420.new/repos/core-setup.common.targets
---- dotnet-v3.1.420-SDK/repos/core-setup.common.targets	2022-06-13 01:18:42.000000000 -0400
-+++ dotnet-v3.1.420.new/repos/core-setup.common.targets	2022-06-17 02:12:20.823055412 -0400
+diff -Nurw dotnet-v3.1.421-SDK-bak/repos/core-setup.common.targets dotnet-v3.1.421-SDK/repos/core-setup.common.targets
+--- dotnet-v3.1.421-SDK-bak/repos/core-setup.common.targets	2022-06-30 12:53:32.000000000 -0400
++++ dotnet-v3.1.421-SDK/repos/core-setup.common.targets	2022-07-29 02:58:33.098782259 -0400
 @@ -38,6 +38,9 @@
      <Copy SourceFiles="@(BinariesToCopy)"
            DestinationFolder="$(OutputPath)runtime"
@@ -11,10 +11,10 @@ diff -Nurw dotnet-v3.1.420-SDK/repos/core-setup.common.targets dotnet-v3.1.420.n
  
      <WriteLinesToFile File="$(RepoCompletedSemaphorePath)CopyBinariesToBinFolder.complete" Overwrite="true" />
    </Target>
-diff -Nurw dotnet-v3.1.420-SDK/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json dotnet-v3.1.420.new/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json
---- dotnet-v3.1.420-SDK/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json	2022-06-13 03:27:43.000000000 -0400
-+++ dotnet-v3.1.420.new/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json	2022-06-17 02:13:54.149028663 -0400
-@@ -651,6 +651,80 @@
+diff -Nurw dotnet-v3.1.421-SDK-bak/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json dotnet-v3.1.421-SDK/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json
+--- dotnet-v3.1.421-SDK-bak/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json	2022-06-30 14:33:13.000000000 -0400
++++ dotnet-v3.1.421-SDK/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json	2022-07-29 03:10:13.824095412 -0400
+@@ -650,6 +650,80 @@
      "any",
      "base"
    ],
@@ -95,9 +95,9 @@ diff -Nurw dotnet-v3.1.420-SDK/src/dotnet-corefx.04944b999f540d3f1068208c351716a
    "debian": [
      "debian",
      "linux",
-diff -Nurw dotnet-v3.1.420-SDK/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props dotnet-v3.1.420.new/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props
---- dotnet-v3.1.420-SDK/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props	2022-06-13 03:27:43.000000000 -0400
-+++ dotnet-v3.1.420.new/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props	2022-06-17 02:13:54.159028553 -0400
+diff -Nurw dotnet-v3.1.421-SDK-bak/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props dotnet-v3.1.421-SDK/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props
+--- dotnet-v3.1.421-SDK-bak/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props	2022-06-30 14:33:13.000000000 -0400
++++ dotnet-v3.1.421-SDK/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props	2022-07-29 03:17:32.883277529 -0400
 @@ -40,6 +40,14 @@
        <TreatVersionsAsCompatible>false</TreatVersionsAsCompatible>
      </RuntimeGroup>
@@ -121,9 +121,9 @@ diff -Nurw dotnet-v3.1.420-SDK/src/dotnet-corefx.04944b999f540d3f1068208c351716a
 +                          UpdateRuntimeFiles="true" />
    </Target>
  </Project>
-diff -Nurw dotnet-v3.1.420-SDK/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtime.json dotnet-v3.1.420.new/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtime.json
---- dotnet-v3.1.420-SDK/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtime.json	2022-06-13 03:27:43.000000000 -0400
-+++ dotnet-v3.1.420.new/src/dotnet-corefx.04944b999f540d3f1068208c351716a8954e4c2b/pkg/Microsoft.NETCore.Platforms/runtime.json	2022-06-17 02:13:54.159028553 -0400
+diff -Nurw dotnet-v3.1.421-SDK-bak/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtime.json dotnet-v3.1.421-SDK/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtime.json
+--- dotnet-v3.1.421-SDK-bak/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtime.json	2022-06-30 14:33:13.000000000 -0400
++++ dotnet-v3.1.421-SDK/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373/pkg/Microsoft.NETCore.Platforms/runtime.json	2022-07-29 03:20:26.382373685 -0400
 @@ -249,6 +249,44 @@
          "rhel.9-x64"
        ]
diff --git a/dotnet3.1.spec b/dotnet3.1.spec
index 4394363979b34d3e40b4a0faa6819597695956fa..405e2b3dbf83d6a29c242e2f106b6452159cea84 100644
--- a/dotnet3.1.spec
+++ b/dotnet3.1.spec
@@ -27,10 +27,10 @@
 %endif
 %global dotnet_ldflags %(echo %{__global_ldflags} | sed -re 's/-specs=[^ ]*//g')
 
-%global host_version 3.1.26
-%global runtime_version 3.1.26
+%global host_version 3.1.27
+%global runtime_version 3.1.27
 %global aspnetcore_runtime_version %{runtime_version}
-%global sdk_version 3.1.420
+%global sdk_version 3.1.421
 %global templates_version %(echo %{runtime_version} | awk 'BEGIN { FS="."; OFS="." } {print $1, $2, $3+1 }')
 
 %global host_rpm_version %{host_version}
@@ -517,9 +517,13 @@ rm -rf %{buildroot}%{_libdir}/dotnet/packs/NETStandard.Library.Ref/2.1.0
 %{_libdir}/dotnet/source-built-artifacts
 
 %changelog
-* Mon Jun 17 2022 Liwei Ge <liwei.glw@linux.alibaba.com> - 3.1.420-1.0.1
+* Fri Jul 29 2022 Liwei Ge <liwei.glw@linux.alibaba.com> - 3.1.421-1.0.1
 - Add anolis distro info(Liwei Ge)
 
+* Tue Jul 05 2022 Andrew Slice <andrew.slice@redhat.com> - 3.1.421-1
+- Update to .NET SDK 3.1.421 and Runtime 3.1.27
+- Resolves: RHBZ#2103273
+
 * Mon Jun 13 2022 Omair Majid <omajid@redhat.com> - 3.1.420-1
 - Update to .NET SDK 3.1.420 and Runtime 3.1.26
 - Resolves: RHBZ#2096319
diff --git a/download b/download
index 7950156cf65525e2ca9e34de7aebf91efe680756..f527f1e12794df456036d18caff6be50525ecef7 100644
--- a/download
+++ b/download
@@ -1 +1 @@
-d93d7c920e5d85654b548f612d3b2949  dotnet-v3.1.420-SDK.tar.gz
+200d976935f2aaef9c200bcb8174f0b2  dotnet-v3.1.421-SDK.tar.gz