diff --git a/samples/IISSample/project.json b/samples/IISSample/project.json
index 5e73c17edd..154a537273 100644
--- a/samples/IISSample/project.json
+++ b/samples/IISSample/project.json
@@ -13,7 +13,7 @@
     "netcoreapp1.0": {
       "dependencies": {
         "Microsoft.NETCore.App": {
-          "version": "1.0.0-*",
+          "version": "1.1.0-*",
           "type": "platform"
         }
       }
diff --git a/src/Microsoft.AspNetCore.Server.IISIntegration/project.json b/src/Microsoft.AspNetCore.Server.IISIntegration/project.json
index 405e66b6e4..f91c10e46f 100644
--- a/src/Microsoft.AspNetCore.Server.IISIntegration/project.json
+++ b/src/Microsoft.AspNetCore.Server.IISIntegration/project.json
@@ -33,13 +33,14 @@
     "Microsoft.Extensions.TaskCache.Sources": {
       "version": "1.1.0-*",
       "type": "build"
-    }
+    },
+    "NETStandard.Library": "1.6.1-*"
   },
   "frameworks": {
     "net451": {},
     "netstandard1.3": {
       "dependencies": {
-        "System.Security.Principal.Windows": "4.0.0-*"
+        "System.Security.Principal.Windows": "4.3.0-*"
       }
     }
   }
diff --git a/test/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests/project.json b/test/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests/project.json
index 79617c9446..1b37cd9544 100644
--- a/test/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests/project.json
+++ b/test/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests/project.json
@@ -22,6 +22,7 @@
     "Microsoft.Extensions.Logging": "1.1.0-*",
     "Microsoft.Extensions.Logging.Console": "1.1.0-*",
     "Microsoft.Extensions.Logging.Debug": "1.1.0-*",
+    "NETStandard.Library": "1.6.1-*",
     "xunit": "2.2.0-*"
   },
   "frameworks": {
diff --git a/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/project.json b/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/project.json
index 1c95f3f48f..324a2b2382 100644
--- a/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/project.json
+++ b/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/project.json
@@ -13,7 +13,7 @@
     "netcoreapp1.0": {
       "dependencies": {
         "Microsoft.NETCore.App": {
-          "version": "1.0.0-*",
+          "version": "1.1.0-*",
           "type": "platform"
         }
       }
diff --git a/test/TestSites.Portable/project.json b/test/TestSites.Portable/project.json
index 312839f32a..158032f437 100644
--- a/test/TestSites.Portable/project.json
+++ b/test/TestSites.Portable/project.json
@@ -24,10 +24,9 @@
     "netcoreapp1.0": {
       "dependencies": {
         "Microsoft.NETCore.App": {
-          "version": "1.0.0-*",
+          "version": "1.1.0-*",
           "type": "platform"
-        },
-        "System.Net.Primitives": "4.0.11-*"
+        }
       }
     }
   }
diff --git a/test/TestSites/project.json b/test/TestSites/project.json
index 4819d0bfb5..453999da7b 100644
--- a/test/TestSites/project.json
+++ b/test/TestSites/project.json
@@ -20,8 +20,7 @@
   "frameworks": {
     "netcoreapp1.0": {
       "dependencies": {
-        "Microsoft.NETCore.App": "1.0.0-*",
-        "System.Net.Primitives": "4.0.11-*"
+        "Microsoft.NETCore.App": "1.1.0-*"
       }
     },
     "net451": {}