diff -Naurp dotnet-v5.0.205-SDK-orig/src/dotnet-installer.64a0cf25eb840995b3a0bf7491e214581edaa77c/src/core-sdk-tasks/Enumerations/BuildPlatform.cs dotnet-v5.0.205-SDK-mod/src/dotnet-installer.64a0cf25eb840995b3a0bf7491e214581edaa77c/src/core-sdk-tasks/Enumerations/BuildPlatform.cs
--- dotnet-v5.0.205-SDK-orig/src/dotnet-installer.64a0cf25eb840995b3a0bf7491e214581edaa77c/src/core-sdk-tasks/Enumerations/BuildPlatform.cs	2021-06-30 09:07:53.000000000 -0700
+++ dotnet-v5.0.205-SDK-mod/src/dotnet-installer.64a0cf25eb840995b3a0bf7491e214581edaa77c/src/core-sdk-tasks/Enumerations/BuildPlatform.cs	2021-07-16 10:02:57.744798538 -0700
@@ -15,6 +15,7 @@ namespace Microsoft.DotNet.Cli.Build.Fra
         Debian = 8,
         Fedora = 9,
         OpenSuse = 10,
-        FreeBSD = 11
+        FreeBSD = 11,
+        Rocky = 12,
     }
 }
diff -Naurp dotnet-v5.0.205-SDK-orig/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/installer/Directory.Build.props dotnet-v5.0.205-SDK-mod/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/installer/Directory.Build.props
--- dotnet-v5.0.205-SDK-orig/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/installer/Directory.Build.props	2021-06-30 09:06:56.000000000 -0700
+++ dotnet-v5.0.205-SDK-mod/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/installer/Directory.Build.props	2021-07-16 10:04:58.230362584 -0700
@@ -172,6 +172,7 @@
     <TargetsOpensuse>false</TargetsOpensuse>
     <TargetsFedora>false</TargetsFedora>
     <TargetsCentos>false</TargetsCentos>
+    <TargetsRocky>false</TargetsRocky>
     <TargetsOracle>false</TargetsOracle>
     <TargetsSles>false</TargetsSles>
     <TargetsBrowser>false</TargetsBrowser>
@@ -252,6 +253,13 @@
         <TargetsUnix>true</TargetsUnix>
       </PropertyGroup>
     </When>
+    <When Condition="$(OutputRid.StartsWith('rocky'))">
+      <PropertyGroup>
+        <TargetsRocky>true</TargetsRocky>
+        <TargetsLinux>true</TargetsLinux>
+        <TargetsUnix>true</TargetsUnix>
+      </PropertyGroup>
+    </When>
     <When Condition="$(OutputRid.StartsWith('opensuse'))">
       <PropertyGroup>
         <TargetsOpensuse>true</TargetsOpensuse>
@@ -333,7 +341,7 @@
     <InstallerExtension Condition="'$(TargetOS)' == 'Windows_NT'">.msi</InstallerExtension>
     <InstallerExtension Condition="'$(TargetOS)' == 'OSX'">.pkg</InstallerExtension>
     <InstallerExtension Condition="'$(TargetsDebian)' == 'true' or '$(TargetsUbuntu)' == 'true' or '$(TargetsLinuxMint)' == 'true' or '$(HostMachineRidTargetsDebianPackages)' == 'true'">.deb</InstallerExtension>
-    <InstallerExtension Condition="'$(TargetsRhel)' == 'true' or '$(TargetsCentos)' == 'true' or '$(TargetsOpensuse)' == 'true' or '$(TargetsFedora)' == 'true' or '$(TargetsOracle)' == 'true' or '$(TargetsSles)' == 'true' or '$(TargetsCblMariner)' == 'true' or '$(HostMachineRidTargetsRpmPackages)' == 'true'">.rpm</InstallerExtension>
+    <InstallerExtension Condition="'$(TargetsRhel)' == 'true' or '$(TargetsCentos)' == 'true' or '$(TargetsRocky)' == 'true' or '$(TargetsOpensuse)' == 'true' or '$(TargetsFedora)' == 'true' or '$(TargetsOracle)' == 'true' or '$(TargetsSles)' == 'true' or '$(TargetsCblMariner)' == 'true' or '$(HostMachineRidTargetsRpmPackages)' == 'true'">.rpm</InstallerExtension>
     <CombinedInstallerExtension Condition="'$(TargetOS)' == 'Windows_NT'">.exe</CombinedInstallerExtension>
     <CombinedInstallerExtension Condition="'$(TargetOS)' != 'Windows_NT'">$(InstallerExtension)</CombinedInstallerExtension>
   </PropertyGroup>
diff -Naurp dotnet-v5.0.205-SDK-orig/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json dotnet-v5.0.205-SDK-mod/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json
--- dotnet-v5.0.205-SDK-orig/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json	2021-06-30 09:07:02.000000000 -0700
+++ dotnet-v5.0.205-SDK-mod/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtime.compatibility.json	2021-07-16 10:07:04.485001518 -0700
@@ -1704,6 +1704,122 @@
     "any",
     "base"
   ],
+  "rocky": [
+    "rocky",
+    "rhel",
+    "linux",
+    "unix",
+    "any",
+    "base"
+  ],
+  "rocky-arm64": [
+    "rocky-arm64",
+    "rocky",
+    "rhel-arm64",
+    "rhel",
+    "linux-arm64",
+    "linux",
+    "unix-arm64",
+    "unix",
+    "any",
+    "base"
+  ],
+  "rocky-x64": [
+    "rocky-x64",
+    "rocky",
+    "rhel-x64",
+    "rhel",
+    "linux-x64",
+    "linux",
+    "unix-x64",
+    "unix",
+    "any",
+    "base"
+  ],
+  "rocky.8": [
+    "rocky.8",
+    "rocky",
+    "rhel.8",
+    "rhel",
+    "linux",
+    "unix",
+    "any",
+    "base"
+  ],
+  "rocky.8-arm64": [
+    "rocky.8-arm64",
+    "rocky.8",
+    "rocky-arm64",
+    "rhel.8-arm64",
+    "rocky",
+    "rhel.8",
+    "rhel-arm64",
+    "rhel",
+    "linux-arm64",
+    "linux",
+    "unix-arm64",
+    "unix",
+    "any",
+    "base"
+  ],
+  "rocky.8-x64": [
+    "rocky.8-x64",
+    "rocky.8",
+    "rocky-x64",
+    "rhel.8-x64",
+    "rocky",
+    "rhel.8",
+    "rhel-x64",
+    "rhel",
+    "linux-x64",
+    "linux",
+    "unix-x64",
+    "unix",
+    "any",
+    "base"
+  ],
+  "rocky.9": [
+    "rocky.9",
+    "rocky",
+    "rhel.9",
+    "rhel",
+    "linux",
+    "unix",
+    "any",
+    "base"
+  ],
+  "rocky.9-arm64": [
+    "rocky.9-arm64",
+    "rocky.9",
+    "rocky-arm64",
+    "rhel.9-arm64",
+    "rocky",
+    "rhel.9",
+    "rhel-arm64",
+    "rhel",
+    "linux-arm64",
+    "linux",
+    "unix-arm64",
+    "unix",
+    "any",
+    "base"
+  ],
+  "rocky.9-x64": [
+    "rocky.9-x64",
+    "rocky.9",
+    "rocky-x64",
+    "rhel.9-x64",
+    "rocky",
+    "rhel.9",
+    "rhel-x64",
+    "rhel",
+    "linux-x64",
+    "linux",
+    "unix-x64",
+    "unix",
+    "any",
+    "base"
+  ],
   "debian": [
     "debian",
     "linux",
@@ -7032,4 +7148,4 @@
     "any",
     "base"
   ]
-}
\ No newline at end of file
+}
diff -Naurp dotnet-v5.0.205-SDK-orig/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props dotnet-v5.0.205-SDK-mod/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props
--- dotnet-v5.0.205-SDK-orig/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props	2021-06-30 09:07:02.000000000 -0700
+++ dotnet-v5.0.205-SDK-mod/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtimeGroups.props	2021-07-16 10:08:39.145230331 -0700
@@ -50,6 +50,14 @@
       <TreatVersionsAsCompatible>false</TreatVersionsAsCompatible>
     </RuntimeGroup>
 
+    <RuntimeGroup Include="rocky">
+      <Parent>rhel</Parent>
+      <Architectures>x64;arm64</Architectures>
+      <Versions>8;9</Versions>
+      <ApplyVersionsToParent>true</ApplyVersionsToParent>
+      <TreatVersionsAsCompatible>false</TreatVersionsAsCompatible>
+    </RuntimeGroup>
+
     <RuntimeGroup Include="debian">
       <Parent>linux</Parent>
       <Architectures>x64;x86;arm;armel;arm64</Architectures>
diff -Naurp dotnet-v5.0.205-SDK-orig/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtime.json dotnet-v5.0.205-SDK-mod/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtime.json
--- dotnet-v5.0.205-SDK-orig/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtime.json	2021-06-30 09:07:02.000000000 -0700
+++ dotnet-v5.0.205-SDK-mod/src/dotnet-runtime.35964c9215613d66a687ebcb2d7fcd9496390ee7/src/libraries/pkg/Microsoft.NETCore.Platforms/runtime.json	2021-07-16 10:07:28.753316557 -0700
@@ -601,6 +601,63 @@
         "rhel.9-x64"
       ]
     },
+    "rocky": {
+      "#import": [
+        "rhel"
+      ]
+    },
+    "rocky-arm64": {
+      "#import": [
+        "rocky",
+        "rhel-arm64"
+      ]
+    },
+    "rocky-x64": {
+      "#import": [
+        "rocky",
+        "rhel-x64"
+      ]
+    },
+    "rocky.8": {
+      "#import": [
+        "rocky",
+        "rhel.8"
+      ]
+    },
+    "rocky.8-arm64": {
+      "#import": [
+        "rocky.8",
+        "rocky-arm64",
+        "rhel.8-arm64"
+      ]
+    },
+    "rocky.8-x64": {
+      "#import": [
+        "rocky.8",
+        "rocky-x64",
+        "rhel.8-x64"
+      ]
+    },
+    "rocky.9": {
+      "#import": [
+        "rocky",
+        "rhel.9"
+      ]
+    },
+    "rocky.9-arm64": {
+      "#import": [
+        "rocky.9",
+        "rocky-arm64",
+        "rhel.9-arm64"
+      ]
+    },
+    "rocky.9-x64": {
+      "#import": [
+        "rocky.9",
+        "rocky-x64",
+        "rhel.9-x64"
+      ]
+    },
     "debian": {
       "#import": [
         "linux"
@@ -3121,4 +3178,4 @@
       ]
     }
   }
-}
\ No newline at end of file
+}
diff -Naurp dotnet-v5.0.205-SDK-orig/src/dotnet-sdk.845a58cbb84d076bdcc3ea9ae1aff1de873391f1/src/Layout/toolset-tasks/Enumerations/BuildPlatform.cs dotnet-v5.0.205-SDK-mod/src/dotnet-sdk.845a58cbb84d076bdcc3ea9ae1aff1de873391f1/src/Layout/toolset-tasks/Enumerations/BuildPlatform.cs
--- dotnet-v5.0.205-SDK-orig/src/dotnet-sdk.845a58cbb84d076bdcc3ea9ae1aff1de873391f1/src/Layout/toolset-tasks/Enumerations/BuildPlatform.cs	2021-06-30 09:07:35.000000000 -0700
+++ dotnet-v5.0.205-SDK-mod/src/dotnet-sdk.845a58cbb84d076bdcc3ea9ae1aff1de873391f1/src/Layout/toolset-tasks/Enumerations/BuildPlatform.cs	2021-07-16 10:03:11.653979093 -0700
@@ -15,6 +15,7 @@ namespace Microsoft.DotNet.Cli.Build.Fra
         Debian = 8,
         Fedora = 9,
         OpenSuse = 10,
-        FreeBSD = 11
+        FreeBSD = 11,
+        Rocky = 12,
     }
 }
diff -Naurp dotnet-v5.0.205-SDK-orig/src/nuget.client.d525b0e670f3b6cbd5c73a35f04730a9f658c852/test/NuGet.Core.FuncTests/Dotnet.Integration.Test/compiler/resources/runtime.json dotnet-v5.0.205-SDK-mod/src/nuget.client.d525b0e670f3b6cbd5c73a35f04730a9f658c852/test/NuGet.Core.FuncTests/Dotnet.Integration.Test/compiler/resources/runtime.json
--- dotnet-v5.0.205-SDK-orig/src/nuget.client.d525b0e670f3b6cbd5c73a35f04730a9f658c852/test/NuGet.Core.FuncTests/Dotnet.Integration.Test/compiler/resources/runtime.json	2021-06-30 09:07:33.000000000 -0700
+++ dotnet-v5.0.205-SDK-mod/src/nuget.client.d525b0e670f3b6cbd5c73a35f04730a9f658c852/test/NuGet.Core.FuncTests/Dotnet.Integration.Test/compiler/resources/runtime.json	2021-07-16 10:09:36.657976935 -0700
@@ -332,6 +332,13 @@
             "#import": [ "centos.7", "centos-x64", "rhel.7-x64" ]
         },
 
+        "rocky": {
+            "#import": [ "rhel" ]
+        },
+        "rocky-x64": {
+            "#import": [ "rocky", "rhel-x64" ]
+        },
+
         "debian": {
             "#import": [ "linux" ]
         },
@@ -778,6 +785,13 @@
             "#import": [ "centos.7-corert", "centos-x64-corert", "centos.7-x64" ]
         },
 
+        "rocky-corert": {
+            "#import": [ "rel-corert", "rocky" ]
+        },
+        "rocky-x64-corert": {
+            "#import": [ "rocky-corert", "rhel-x64-corert", "rocky-x64" ]
+        },
+
         "debian-corert": {
             "#import": [ "linux-corert", "debian" ]
         },
diff -Naurp dotnet-v5.0.205-SDK-orig/src/nuget.client.d525b0e670f3b6cbd5c73a35f04730a9f658c852/test/TestUtilities/Test.Utility/compiler/resources/runtime.json dotnet-v5.0.205-SDK-mod/src/nuget.client.d525b0e670f3b6cbd5c73a35f04730a9f658c852/test/TestUtilities/Test.Utility/compiler/resources/runtime.json
--- dotnet-v5.0.205-SDK-orig/src/nuget.client.d525b0e670f3b6cbd5c73a35f04730a9f658c852/test/TestUtilities/Test.Utility/compiler/resources/runtime.json	2021-06-30 09:07:33.000000000 -0700
+++ dotnet-v5.0.205-SDK-mod/src/nuget.client.d525b0e670f3b6cbd5c73a35f04730a9f658c852/test/TestUtilities/Test.Utility/compiler/resources/runtime.json	2021-07-16 10:10:24.543598553 -0700
@@ -332,6 +332,13 @@
       "#import": [ "centos.7", "centos-x64", "rhel.7-x64" ]
     },
 
+    "rocky": {
+      "#import": [ "rhel" ]
+    },
+    "rocky-x64": {
+      "#import": [ "rocky", "rhel-x64" ]
+    },
+
     "debian": {
       "#import": [ "linux" ]
     },
@@ -778,6 +785,13 @@
       "#import": [ "centos.7-corert", "centos-x64-corert", "centos.7-x64" ]
     },
 
+    "rocky-corert": {
+      "#import": [ "rel-corert", "rocky" ]
+    },
+    "rocky-x64-corert": {
+      "#import": [ "rocky-corert", "rhel-x64-corert", "rocky-x64" ]
+    },
+
     "debian-corert": {
       "#import": [ "linux-corert", "debian" ]
     },