diff --git a/src/Microsoft.DotNet.Watcher.Core/project.json b/src/Microsoft.DotNet.Watcher.Core/project.json
index 9b7d46268e..d6c75b463d 100644
--- a/src/Microsoft.DotNet.Watcher.Core/project.json
+++ b/src/Microsoft.DotNet.Watcher.Core/project.json
@@ -13,15 +13,18 @@
     "Microsoft.Extensions.PlatformAbstractions": "1.0.0-*",
     "Microsoft.Extensions.Logging.Abstractions": "1.0.0-*",
     "Microsoft.Extensions.FileSystemGlobbing": "1.0.0-*",
-    "Microsoft.NETCore.Platforms": "1.0.1-*",
+    "NETStandard.Library": "1.5.0-*",
     "Microsoft.Extensions.Process.Sources": {
       "type": "build",
       "version": "1.0.0-*"
     }
   },
   "frameworks": {
-    "dnxcore50": {
-      "imports": "portable-net451+win8"
+    "netstandard1.5": {
+      "imports": [
+        "dnxcore50",
+        "portable-net451+win8"
+      ]
     }
   }
 }
diff --git a/src/dotnet-watch/project.json b/src/dotnet-watch/project.json
index 1c46b27251..3017b1b110 100644
--- a/src/dotnet-watch/project.json
+++ b/src/dotnet-watch/project.json
@@ -11,12 +11,20 @@
     "Microsoft.DotNet.Watcher.Core": "1.0.0-*",
     "Microsoft.Extensions.CommandLineUtils": "1.0.0-*",
     "Microsoft.Extensions.Logging": "1.0.0-*",
-    "Microsoft.Extensions.Logging.Console": "1.0.0-*",
-    "Microsoft.NETCore.Platforms": "1.0.1-*"
+    "Microsoft.Extensions.Logging.Console": "1.0.0-*"
   },
   "frameworks": {
-    "dnxcore50": {
-      "imports": "portable-net451+win8"
+    "netstandard1.5": {
+      "imports": [
+        "portable-net451+win8",
+        "dnxcore50"
+      ],
+      "dependencies": {
+        "Microsoft.NETCore.App": {
+          "type": "platform",
+          "version": "1.0.0-*"
+        }
+      }
     }
   }
 }
diff --git a/test/TestApps/AppWithDeps/project.json b/test/TestApps/AppWithDeps/project.json
index c9ce3f74a3..a102058c92 100644
--- a/test/TestApps/AppWithDeps/project.json
+++ b/test/TestApps/AppWithDeps/project.json
@@ -3,18 +3,23 @@
   "compilationOptions": {
     "emitEntryPoint": true
   },
+
   "dependencies": {
-    "Dependency": "1.0.0",
-    "NETStandard.Library": "1.0.0-*"
+    "Dependency": "1.0.0"
   },
+
   "frameworks": {
-    "dnxcore50": {
+    "netstandardapp1.5": {
       "dependencies": {
-        "System.Console": "4.0.0-*",
-        "System.Diagnostics.Process": "4.1.0-*",
-        "System.IO": "4.0.11-*",
-        "System.IO.FileSystem": "4.0.1-*"
-      }
+        "Microsoft.NETCore.App": {
+          "type": "platform",
+          "version": "1.0.0-*"
+        }
+      },
+      "imports": [
+        "dnxcore50",
+        "portable-net451+win8"
+      ]
     }
   }
 }
\ No newline at end of file
diff --git a/test/TestApps/Dependency/project.json b/test/TestApps/Dependency/project.json
index 89004d9d47..a39c53433e 100644
--- a/test/TestApps/Dependency/project.json
+++ b/test/TestApps/Dependency/project.json
@@ -1,18 +1,16 @@
 {
   "version": "1.0.0-*",
-  
+
   "dependencies": {
-    "NETStandard.Library": "1.0.0-*"
+    "NETStandard.Library": "1.5.0-*"
   },
 
   "frameworks": {
-    "dnxcore50": {
-      "dependencies": {
-        "System.Console": "4.0.0-*",
-        "System.Diagnostics.Process": "4.1.0-*",
-        "System.IO": "4.0.11-*",
-        "System.IO.FileSystem": "4.0.1-*"
-      }
+    "netstandardapp1.5": {
+      "imports": [
+        "dnxcore50",
+        "portable-net451+win8"
+      ]
     }
   }
 }
diff --git a/test/TestApps/GlobbingApp/project.json b/test/TestApps/GlobbingApp/project.json
index 1a6b3da081..46e1d29d53 100644
--- a/test/TestApps/GlobbingApp/project.json
+++ b/test/TestApps/GlobbingApp/project.json
@@ -10,18 +10,19 @@
   "exclude": [
     "exclude/*"
   ],
-  "dependencies": {
-    "NETStandard.Library": "1.0.0-*"
-  },
 
   "frameworks": {
-    "dnxcore50": {
+    "netstandardapp1.5": {
       "dependencies": {
-        "System.Console": "4.0.0-*",
-        "System.Diagnostics.Process": "4.1.0-*",
-        "System.IO": "4.0.11-*",
-        "System.IO.FileSystem": "4.0.1-*"
-      }
+        "Microsoft.NETCore.App": {
+          "type": "platform",
+          "version": "1.0.0-*"
+        }
+      },
+      "imports": [
+        "dnxcore50",
+        "portable-net451+win8"
+      ]
     }
   }
 }
diff --git a/test/TestApps/NoDepsApp/project.json b/test/TestApps/NoDepsApp/project.json
index 380a03bc97..a01cd35453 100644
--- a/test/TestApps/NoDepsApp/project.json
+++ b/test/TestApps/NoDepsApp/project.json
@@ -4,18 +4,18 @@
     "emitEntryPoint": true
   },
 
-  "dependencies": {
-    "NETStandard.Library": "1.0.0-*"
-  },
-
   "frameworks": {
-    "dnxcore50": {
+    "netstandardapp1.5": {
       "dependencies": {
-        "System.Console": "4.0.0-*",
-        "System.Diagnostics.Process": "4.1.0-*",
-        "System.IO": "4.0.11-*",
-        "System.IO.FileSystem": "4.0.1-*"
-      }
+        "Microsoft.NETCore.App": {
+          "type": "platform",
+          "version": "1.0.0-*"
+        }
+      },
+      "imports": [
+        "dnxcore50",
+        "portable-net451+win8"
+      ]
     }
   }
 }
diff --git a/test/dotnet-watch.FunctionalTests/Scenario/ProjectToolScenario.cs b/test/dotnet-watch.FunctionalTests/Scenario/ProjectToolScenario.cs
index be10d97fbc..22ea8f5cac 100644
--- a/test/dotnet-watch.FunctionalTests/Scenario/ProjectToolScenario.cs
+++ b/test/dotnet-watch.FunctionalTests/Scenario/ProjectToolScenario.cs
@@ -15,12 +15,14 @@ namespace Microsoft.DotNet.Watcher.FunctionalTests
     {
         private const string NugetConfigFileName = "NuGet.config";
 
+        private static readonly object _restoreLock = new object();
+
         public ProjectToolScenario()
         {
             Console.WriteLine($"The temporary test folder is {TempFolder}");
 
             WorkFolder = Path.Combine(TempFolder, "work");
-         
+
             CreateTestDirectory();
         }
 
@@ -65,7 +67,13 @@ namespace Microsoft.DotNet.Watcher.FunctionalTests
             Console.WriteLine($"Adding {toolName} to {projectFile}");
 
             var projectJson = JObject.Parse(File.ReadAllText(projectFile));
-            projectJson.Add("tools", new JObject(new JProperty(toolName, "1.0.0-*")));
+            projectJson.Add("tools",
+              new JObject(
+                new JProperty(toolName,
+                  new JObject(
+                    new JProperty("version", "1.0.0-*"),
+                    new JProperty("imports", "portable-net451+win8")))));
+
             File.WriteAllText(projectFile, projectJson.ToString());
         }
 
@@ -80,12 +88,18 @@ namespace Microsoft.DotNet.Watcher.FunctionalTests
                 project = Path.Combine(WorkFolder, project);
             }
 
-            var restore = ExecuteDotnet($"restore -v Minimal", project);
-            restore.WaitForExit();
-
-            if (restore.ExitCode != 0)
+            // Tests are run in parallel and they try to restore tools concurrently.
+            // This causes issues because the deps json file for a tool is being written from
+            // multiple threads - which results in either sharing violation or corrupted json.
+            lock(_restoreLock)
             {
-                throw new Exception($"Exit code {restore.ExitCode}");
+                var restore = ExecuteDotnet($"restore -v Minimal", project);
+                restore.WaitForExit();
+
+                if (restore.ExitCode != 0)
+                {
+                    throw new Exception($"Exit code {restore.ExitCode}");
+                }
             }
         }
 
diff --git a/test/dotnet-watch.FunctionalTests/project.json b/test/dotnet-watch.FunctionalTests/project.json
index 792bf09599..ce80cc69aa 100644
--- a/test/dotnet-watch.FunctionalTests/project.json
+++ b/test/dotnet-watch.FunctionalTests/project.json
@@ -11,7 +11,7 @@
       "version": "1.0.0-*"
     },
     "Microsoft.DotNet.Watcher.Core": "1.0.0-*",
-    "Microsoft.NETCore.Platforms": "1.0.1-*",
+    "NETStandard.Library": "1.5.0-*",
     "Newtonsoft.Json": "8.0.2",
     "System.Threading.Thread": "4.0.0-*",
     "xunit": "2.1.0"