diff --git a/samples/MvcSample.Web/project.json b/samples/MvcSample.Web/project.json
index 86b61292d2..e39f2cd441 100644
--- a/samples/MvcSample.Web/project.json
+++ b/samples/MvcSample.Web/project.json
@@ -31,7 +31,7 @@
         "System.Dynamic.Runtime": "4.0.0.0",
         "System.Runtime": "4.0.20.0",
         "System.Runtime.InteropServices": "4.0.20.0",
-        "System.Threading.Tasks": "4.0.0.0"
+        "System.Threading.Tasks": "4.0.10.0"
       }
     }
   }
diff --git a/src/Microsoft.AspNet.Mvc.Core/project.json b/src/Microsoft.AspNet.Mvc.Core/project.json
index c984e9ed72..6a76bdf986 100644
--- a/src/Microsoft.AspNet.Mvc.Core/project.json
+++ b/src/Microsoft.AspNet.Mvc.Core/project.json
@@ -31,7 +31,7 @@
         "System.Runtime.Extensions": "4.0.10.0",
         "System.Runtime.InteropServices": "4.0.20.0",
         "System.Text.Encoding": "4.0.20.0",
-        "System.Threading.Tasks": "4.0.0.0"
+        "System.Threading.Tasks": "4.0.10.0"
       }
     }
   }
diff --git a/src/Microsoft.AspNet.Mvc.ModelBinding/project.json b/src/Microsoft.AspNet.Mvc.ModelBinding/project.json
index e9be59004c..e9b032164b 100644
--- a/src/Microsoft.AspNet.Mvc.ModelBinding/project.json
+++ b/src/Microsoft.AspNet.Mvc.ModelBinding/project.json
@@ -40,7 +40,7 @@
         "System.Text.Encoding": "4.0.20.0",
         "System.Text.Encoding.Extensions": "4.0.10.0",
         "System.Threading": "4.0.0.0",
-        "System.Threading.Tasks": "4.0.0.0"
+        "System.Threading.Tasks": "4.0.10.0"
       }
     }
   }
diff --git a/src/Microsoft.AspNet.Mvc.Razor/project.json b/src/Microsoft.AspNet.Mvc.Razor/project.json
index 431429660c..206b4ac822 100644
--- a/src/Microsoft.AspNet.Mvc.Razor/project.json
+++ b/src/Microsoft.AspNet.Mvc.Razor/project.json
@@ -43,7 +43,7 @@
         "System.Runtime": "4.0.20.0",
         "System.Runtime.Extensions": "4.0.10.0",
         "System.Runtime.InteropServices": "4.0.20.0",
-        "System.Threading.Tasks": "4.0.0.0"
+        "System.Threading.Tasks": "4.0.10.0"
       }
     }
   }
diff --git a/src/Microsoft.AspNet.Mvc.Rendering/project.json b/src/Microsoft.AspNet.Mvc.Rendering/project.json
index f3bd2f409b..0e9d1cda7c 100644
--- a/src/Microsoft.AspNet.Mvc.Rendering/project.json
+++ b/src/Microsoft.AspNet.Mvc.Rendering/project.json
@@ -27,7 +27,7 @@
         "System.Runtime": "4.0.20.0",
         "System.Runtime.Extensions": "4.0.10.0",
         "System.Runtime.InteropServices": "4.0.20.0",
-        "System.Threading.Tasks": "4.0.0.0"
+        "System.Threading.Tasks": "4.0.10.0"
       }
     }
   }
diff --git a/test/Microsoft.AspNet.Mvc.ModelBinding.Test/project.json b/test/Microsoft.AspNet.Mvc.ModelBinding.Test/project.json
index 9d13d708c0..c0ec485ac7 100644
--- a/test/Microsoft.AspNet.Mvc.ModelBinding.Test/project.json
+++ b/test/Microsoft.AspNet.Mvc.ModelBinding.Test/project.json
@@ -7,7 +7,6 @@
     "Microsoft.ComponentModel.DataAnnotations" : "4.0.10.0",
     "Microsoft.AspNet.Mvc.ModelBinding" : "",
     "Newtonsoft.Json": "5.0.8",
-    "TestCommon" : "",
     "Xunit.KRunner": "0.1-alpha-*",
     "xunit.abstractions": "2.0.0-aspnet-*",
     "xunit.assert": "2.0.0-aspnet-*",
@@ -37,7 +36,7 @@
         "System.Runtime.Extensions": "4.0.10.0",
         "System.Runtime.Serialization.Primitives": "4.0.0.0",
         "System.Threading": "4.0.0.0",
-        "System.Threading.Tasks": "4.0.0.0",
+        "System.Threading.Tasks": "4.0.10.0",
         "System.Threading.Thread": "4.0.0.0"
       }
     }