diff --git a/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/project.json b/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/project.json
index ad3f466882..3ea9425111 100644
--- a/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/project.json
+++ b/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/project.json
@@ -8,6 +8,7 @@
     "dependencies": {
         "Microsoft.AspNetCore.Server.Testing": "1.0.0-*",
         "Microsoft.Extensions.Logging.Console": "1.0.0-*",
+        "Microsoft.NETCore.Platforms": "1.0.1-*",
         "xunit.runner.aspnet": "2.0.0-aspnet-*"
     },
     "frameworks": {
diff --git a/test/Microsoft.AspNetCore.IISPlatformHandler.Tests/project.json b/test/Microsoft.AspNetCore.IISPlatformHandler.Tests/project.json
index 5589ef735f..534903268a 100644
--- a/test/Microsoft.AspNetCore.IISPlatformHandler.Tests/project.json
+++ b/test/Microsoft.AspNetCore.IISPlatformHandler.Tests/project.json
@@ -3,6 +3,7 @@
   "dependencies": {
     "Microsoft.AspNetCore.IISPlatformHandler": "1.0.0-*",
     "Microsoft.AspNetCore.TestHost": "1.0.0-*",
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "xunit.runner.aspnet": "2.0.0-aspnet-*"
   },
   "commands": {
diff --git a/test/TestSites/project.json b/test/TestSites/project.json
index f681fcfbd7..7d2afae885 100644
--- a/test/TestSites/project.json
+++ b/test/TestSites/project.json
@@ -7,6 +7,7 @@
     "Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0-*",
     "Microsoft.Extensions.Configuration.Json": "1.0.0-*",
     "Microsoft.Extensions.Logging.Console": "1.0.0-*",
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "xunit.runner.aspnet": "2.0.0-aspnet-*"
   },
   "frameworks": {
diff --git a/test/dotnet-publish-iis.Tests/project.json b/test/dotnet-publish-iis.Tests/project.json
index dcf7c6c57a..8addd1df08 100644
--- a/test/dotnet-publish-iis.Tests/project.json
+++ b/test/dotnet-publish-iis.Tests/project.json
@@ -1,7 +1,8 @@
 {
   "dependencies": {
     "xunit": "2.1.0",
-    "dotnet-publish-iis" : ""
+    "dotnet-publish-iis" : "",
+    "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
 
   "frameworks": {