diff --git a/test/Microsoft.AspNet.TestHost.Tests/project.json b/test/Microsoft.AspNet.TestHost.Tests/project.json
index 34ba146fef..3b30a0aed7 100644
--- a/test/Microsoft.AspNet.TestHost.Tests/project.json
+++ b/test/Microsoft.AspNet.TestHost.Tests/project.json
@@ -33,7 +33,7 @@
             "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"
         }
     }