diff --git a/src/libraries/Microsoft.NETCore.Platforms/src/PortableRuntimeIdentifierGraph.json b/src/libraries/Microsoft.NETCore.Platforms/src/PortableRuntimeIdentifierGraph.json
index f6f7fbf597cfb..925b55d9d6c16 100644
--- a/src/libraries/Microsoft.NETCore.Platforms/src/PortableRuntimeIdentifierGraph.json
+++ b/src/libraries/Microsoft.NETCore.Platforms/src/PortableRuntimeIdentifierGraph.json
@@ -249,6 +249,12 @@
           "linux-riscv64"
         ]
       },
+      "linux-musl-loongarch64": {
+        "#import": [
+          "linux-musl",
+          "linux-loongarch64"
+        ]
+      },
       "linux-musl-s390x": {
         "#import": [
           "linux-musl",
@@ -472,4 +478,4 @@
         ]
       }
     }
-  }
\ No newline at end of file
+  }
diff --git a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json
index 5356b513ba080..64e7c5546b529 100644
--- a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json
+++ b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json
@@ -2135,6 +2135,12 @@
         "linux-riscv64"
       ]
     },
+    "linux-musl-loongarch64": {
+      "#import": [
+        "linux-musl",
+        "linux-loongarch64"
+      ]
+    },
     "linux-musl-s390x": {
       "#import": [
         "linux-musl",
@@ -4620,4 +4626,4 @@
       ]
     }
   }
-}
\ No newline at end of file
+}