diff --git a/src/Microsoft.AspNet.Identity.InMemory/project.json b/src/Microsoft.AspNet.Identity.InMemory/project.json
index 4c1dc2c25d..ea9ce1c10b 100644
--- a/src/Microsoft.AspNet.Identity.InMemory/project.json
+++ b/src/Microsoft.AspNet.Identity.InMemory/project.json
@@ -14,7 +14,7 @@
         "System.Linq.Queryable": "4.0.0.0",
         "System.Reflection": "4.0.10.0",
         "System.Runtime": "4.0.20.0",
-        "System.Threading.Tasks": "4.0.0.0"
+        "System.Threading.Tasks": "4.0.10.0"
       }
     }
   }
diff --git a/src/Microsoft.AspNet.Identity/project.json b/src/Microsoft.AspNet.Identity/project.json
index f07e71914d..d05403206d 100644
--- a/src/Microsoft.AspNet.Identity/project.json
+++ b/src/Microsoft.AspNet.Identity/project.json
@@ -22,7 +22,7 @@
         "System.Runtime.Extensions": "4.0.10.0",
         "System.Security.Principal": "4.0.0.0",
         "System.Text.Encoding": "4.0.20.0",
-        "System.Threading.Tasks": "4.0.0.0"
+        "System.Threading.Tasks": "4.0.10.0"
       }
     }
   }
diff --git a/test/Microsoft.AspNet.Identity.InMemory.Test/project.json b/test/Microsoft.AspNet.Identity.InMemory.Test/project.json
index b690e71e9a..6b21e0148e 100644
--- a/test/Microsoft.AspNet.Identity.InMemory.Test/project.json
+++ b/test/Microsoft.AspNet.Identity.InMemory.Test/project.json
@@ -34,7 +34,7 @@
         "System.Runtime": "4.0.20.0",
         "System.Runtime.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/test/Microsoft.AspNet.Identity.Test/project.json b/test/Microsoft.AspNet.Identity.Test/project.json
index 5ef20b1348..d1fa44c302 100644
--- a/test/Microsoft.AspNet.Identity.Test/project.json
+++ b/test/Microsoft.AspNet.Identity.Test/project.json
@@ -35,7 +35,7 @@
         "System.Runtime": "4.0.20.0",
         "System.Runtime.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"
       }
     }
   },