diff --git a/test/Microsoft.AspNetCore.Cors.Test/project.json b/test/Microsoft.AspNetCore.Cors.Test/project.json
index 59305ebd81..7bc0ceee0b 100644
--- a/test/Microsoft.AspNetCore.Cors.Test/project.json
+++ b/test/Microsoft.AspNetCore.Cors.Test/project.json
@@ -1,6 +1,7 @@
 {
   "version": "1.0.0-*",
   "dependencies": {
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "CorsMiddlewareWebSite": "1.0.0-*",
     "Microsoft.AspNetCore.Cors": "1.0.0-*",
     "Microsoft.AspNetCore.TestHost": "1.0.0-*",
diff --git a/test/WebSites/CorsMiddlewareWebSite/project.json b/test/WebSites/CorsMiddlewareWebSite/project.json
index 16ec6f13d0..e5fffffc67 100644
--- a/test/WebSites/CorsMiddlewareWebSite/project.json
+++ b/test/WebSites/CorsMiddlewareWebSite/project.json
@@ -3,6 +3,7 @@
     "emitEntryPoint": true
   },
   "dependencies": {
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "Microsoft.AspNetCore.Cors": "1.0.0-*",
     "Microsoft.AspNetCore.Server.IISIntegration": "1.0.0-*",
     "Microsoft.AspNetCore.Server.Kestrel": "1.0.0-*"