diff --git a/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/project.json b/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/project.json
index 9c290eab05..5a2e28ed55 100644
--- a/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/project.json
+++ b/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/project.json
@@ -6,7 +6,15 @@
     "Microsoft.AspNetCore.Testing": "1.0.0-*",
     "Microsoft.NETCore.Platforms": "1.0.1-*",
     "System.Net.Http": "4.0.1-*",
-    "xunit": "2.1.0"
+    "xunit": "2.1.0",
+    "Microsoft.AspNetCore.Internal.libuv-Darwin": {
+      "version": "1.0.0-*",
+      "type": "build"
+    },
+    "Microsoft.AspNetCore.Internal.libuv-Windows": {
+      "version": "1.0.0-*",
+      "type": "build"
+    }
   },
   "frameworks": {
     "dnxcore50": {
diff --git a/test/Microsoft.AspNetCore.Server.KestrelTests/project.json b/test/Microsoft.AspNetCore.Server.KestrelTests/project.json
index 91918db4a0..5dd70ca224 100644
--- a/test/Microsoft.AspNetCore.Server.KestrelTests/project.json
+++ b/test/Microsoft.AspNetCore.Server.KestrelTests/project.json
@@ -6,7 +6,15 @@
     "Microsoft.AspNetCore.Testing": "1.0.0-*",
     "Microsoft.NETCore.Platforms": "1.0.1-*",
     "System.Net.Http": "4.0.1-*",
-    "xunit": "2.1.0"
+    "xunit": "2.1.0",
+    "Microsoft.AspNetCore.Internal.libuv-Darwin": {
+      "version": "1.0.0-*",
+      "type": "build"
+    },
+    "Microsoft.AspNetCore.Internal.libuv-Windows": {
+      "version": "1.0.0-*",
+      "type": "build"
+    }
   },
   "frameworks": {
     "dnxcore50": {