diff --git a/src/Microsoft.AspNet.Razor/project.json b/src/Microsoft.AspNet.Razor/project.json
index 7533c1574e..b352f79574 100644
--- a/src/Microsoft.AspNet.Razor/project.json
+++ b/src/Microsoft.AspNet.Razor/project.json
@@ -15,9 +15,9 @@
         "System.Resources.ResourceManager": "4.0.0.0",
         "System.Runtime": "4.0.20.0",
         "System.Runtime.Extensions": "4.0.10.0",
-        "System.Runtime.InteropServices": "4.0.10.0",
+        "System.Runtime.InteropServices": "4.0.20.0",
         "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"
       }
     }