diff --git a/src/Microsoft.Net.Http.Server/project.json b/src/Microsoft.Net.Http.Server/project.json
index dbfd1b9d69..4c08723366 100644
--- a/src/Microsoft.Net.Http.Server/project.json
+++ b/src/Microsoft.Net.Http.Server/project.json
@@ -12,6 +12,8 @@
         "aspnet50": { },
         "aspnetcore50": {
             "dependencies": {
+                "Microsoft.Win32.Primitives": "4.0.0-beta-*",
+                "System.Diagnostics.Debug": "4.0.10-beta-*",
                 "System.IO.FileSystem": "4.0.0-beta-*",
                 "System.Security.Cryptography.X509Certificates": "4.0.0-beta-*",
                 "System.Security.Principal.Windows": "4.0.0-beta-*"
diff --git a/src/Microsoft.Net.WebSockets/project.json b/src/Microsoft.Net.WebSockets/project.json
index 756bcdce7d..0ebe64350a 100644
--- a/src/Microsoft.Net.WebSockets/project.json
+++ b/src/Microsoft.Net.WebSockets/project.json
@@ -13,6 +13,7 @@
                 "System.Diagnostics.Tools": "4.0.0-beta-*",
                 "System.IO": "4.0.10-beta-*",
                 "System.Linq": "4.0.0-beta-*",
+                "System.Net.Primitives": "4.0.10-beta-*",
                 "System.Resources.ResourceManager": "4.0.0-beta-*",
                 "System.Runtime.Extensions": "4.0.10-beta-*",
                 "System.Security.Cryptography.Hashing.Algorithms": "4.0.0-beta-*",