diff --git a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.compatibility.json b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.compatibility.json
index 70868742f3f6c..1617ecf4dab27 100644
--- a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.compatibility.json
+++ b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.compatibility.json
@@ -2219,6 +2219,74 @@
     "any",
     "base"
   ],
+  "debian.11": [
+    "debian.11",
+    "debian",
+    "linux",
+    "unix",
+    "any",
+    "base"
+  ],
+  "debian.11-arm": [
+    "debian.11-arm",
+    "debian.11",
+    "debian-arm",
+    "debian",
+    "linux-arm",
+    "linux",
+    "unix-arm",
+    "unix",
+    "any",
+    "base"
+  ],
+  "debian.11-arm64": [
+    "debian.11-arm64",
+    "debian.11",
+    "debian-arm64",
+    "debian",
+    "linux-arm64",
+    "linux",
+    "unix-arm64",
+    "unix",
+    "any",
+    "base"
+  ],
+  "debian.11-armel": [
+    "debian.11-armel",
+    "debian.11",
+    "debian-armel",
+    "debian",
+    "linux-armel",
+    "linux",
+    "unix-armel",
+    "unix",
+    "any",
+    "base"
+  ],
+  "debian.11-x64": [
+    "debian.11-x64",
+    "debian.11",
+    "debian-x64",
+    "debian",
+    "linux-x64",
+    "linux",
+    "unix-x64",
+    "unix",
+    "any",
+    "base"
+  ],
+  "debian.11-x86": [
+    "debian.11-x86",
+    "debian.11",
+    "debian-x86",
+    "debian",
+    "linux-x86",
+    "linux",
+    "unix-x86",
+    "unix",
+    "any",
+    "base"
+  ],
   "debian.8": [
     "debian.8",
     "debian",
diff --git a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json
index 1ba7d697df712..04e41069e0a6d 100644
--- a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json
+++ b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json
@@ -752,6 +752,41 @@
         "debian-x86"
       ]
     },
+    "debian.11": {
+      "#import": [
+        "debian"
+      ]
+    },
+    "debian.11-arm": {
+      "#import": [
+        "debian.11",
+        "debian-arm"
+      ]
+    },
+    "debian.11-arm64": {
+      "#import": [
+        "debian.11",
+        "debian-arm64"
+      ]
+    },
+    "debian.11-armel": {
+      "#import": [
+        "debian.11",
+        "debian-armel"
+      ]
+    },
+    "debian.11-x64": {
+      "#import": [
+        "debian.11",
+        "debian-x64"
+      ]
+    },
+    "debian.11-x86": {
+      "#import": [
+        "debian.11",
+        "debian-x86"
+      ]
+    },
     "debian.8": {
       "#import": [
         "debian"
diff --git a/src/libraries/Microsoft.NETCore.Platforms/src/runtimeGroups.props b/src/libraries/Microsoft.NETCore.Platforms/src/runtimeGroups.props
index a9973ff87660a..63e342106d82d 100644
--- a/src/libraries/Microsoft.NETCore.Platforms/src/runtimeGroups.props
+++ b/src/libraries/Microsoft.NETCore.Platforms/src/runtimeGroups.props
@@ -59,7 +59,7 @@
     <RuntimeGroup Include="debian">
       <Parent>linux</Parent>
       <Architectures>x64;x86;arm;armel;arm64</Architectures>
-      <Versions>8;9;10</Versions>
+      <Versions>8;9;10;11</Versions>
       <TreatVersionsAsCompatible>false</TreatVersionsAsCompatible>
     </RuntimeGroup>