diff --git a/samples/AntiforgerySample/project.json b/samples/AntiforgerySample/project.json
index 52fd68c4cf..4ff0ec051e 100644
--- a/samples/AntiforgerySample/project.json
+++ b/samples/AntiforgerySample/project.json
@@ -1,6 +1,7 @@
 {
   "version": "1.0.0-*",
   "dependencies": {
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "Microsoft.AspNetCore.Antiforgery": "1.0.0-*",
     "Microsoft.AspNetCore.Http.Abstractions": "1.0.0-*",
     "Microsoft.AspNetCore.Http.Extensions": "1.0.0-*",
diff --git a/test/Microsoft.AspNetCore.Antiforgery.FunctionalTests/project.json b/test/Microsoft.AspNetCore.Antiforgery.FunctionalTests/project.json
index 95b3ebbe2a..f9a95e6ff6 100644
--- a/test/Microsoft.AspNetCore.Antiforgery.FunctionalTests/project.json
+++ b/test/Microsoft.AspNetCore.Antiforgery.FunctionalTests/project.json
@@ -1,5 +1,6 @@
 {
   "dependencies": {
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "AntiforgerySample": "1.0.0-*",
     "Microsoft.AspNetCore.TestHost": "1.0.0-*",
     "Microsoft.AspNetCore.Testing": "1.0.0-*"
diff --git a/test/Microsoft.AspNetCore.Antiforgery.Test/project.json b/test/Microsoft.AspNetCore.Antiforgery.Test/project.json
index 17e122bc2a..482a06a14e 100644
--- a/test/Microsoft.AspNetCore.Antiforgery.Test/project.json
+++ b/test/Microsoft.AspNetCore.Antiforgery.Test/project.json
@@ -4,6 +4,7 @@
     "keyFile": "../../tools/Key.snk"
   },
   "dependencies": {
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "Microsoft.AspNetCore.Antiforgery": "1.0.0-*",
     "Microsoft.AspNetCore.Http": "1.0.0-*",
     "Microsoft.AspNetCore.Testing": "1.0.0-*",