diff --git a/pkg/Microsoft.NETCore.Platforms/runtime.json b/pkg/Microsoft.NETCore.Platforms/runtime.json
index ce13de07824c..11b83de6fac1 100644
--- a/pkg/Microsoft.NETCore.Platforms/runtime.json
+++ b/pkg/Microsoft.NETCore.Platforms/runtime.json
@@ -157,6 +157,13 @@
         "osx.10.11-x64": {
             "#import": [ "osx.10.11", "osx.10.10-x64" ]
         },
+
+        "osx.10.12": {
+            "#import": [ "osx.10.11" ]
+        },
+        "osx.10.12-x64": {
+            "#import": [ "osx.10.12", "osx.10.11-x64" ]
+        },
         
         "linux": {
             "#import": [ "unix" ]