diff --git a/src/Microsoft.AspNet.Identity.Authentication/project.json b/src/Microsoft.AspNet.Identity.Authentication/project.json
index 86858bc138..a3e6af14a9 100644
--- a/src/Microsoft.AspNet.Identity.Authentication/project.json
+++ b/src/Microsoft.AspNet.Identity.Authentication/project.json
@@ -1,4 +1,4 @@
-{
+{
   "version": "3.0.0-*",
   "dependencies": {
     "Microsoft.AspNet.Http" : "1.0.0-*",
@@ -11,7 +11,7 @@
     "net45": {},
     "k10": {
       "dependencies": {
-        "System.Collections": "4.0.0.0",
+        "System.Collections": "4.0.10.0",
         "System.ComponentModel": "4.0.0.0",
         "System.Diagnostics.Debug": "4.0.10.0",
         "System.Diagnostics.Tools": "4.0.0.0",
diff --git a/src/Microsoft.AspNet.Identity.EntityFramework/project.json b/src/Microsoft.AspNet.Identity.EntityFramework/project.json
index 5cca119907..8ec5604f06 100644
--- a/src/Microsoft.AspNet.Identity.EntityFramework/project.json
+++ b/src/Microsoft.AspNet.Identity.EntityFramework/project.json
@@ -1,4 +1,4 @@
-{
+{
   "version": "3.0.0-*",
   "dependencies": {
     "Microsoft.AspNet.Identity": "",
@@ -14,7 +14,7 @@
     },
     "k10": {
       "dependencies": {
-        "System.Collections": "4.0.0.0",
+        "System.Collections": "4.0.10.0",
         "System.ComponentModel": "4.0.0.0",
         "System.Diagnostics.Debug": "4.0.10.0",
         "System.Diagnostics.Tools": "4.0.0.0",
diff --git a/src/Microsoft.AspNet.Identity/project.json b/src/Microsoft.AspNet.Identity/project.json
index 73be5683dc..77ab50fdc2 100644
--- a/src/Microsoft.AspNet.Identity/project.json
+++ b/src/Microsoft.AspNet.Identity/project.json
@@ -1,4 +1,4 @@
-{
+{
   "version": "3.0.0-*",
   "dependencies": {
     "Microsoft.Framework.ConfigurationModel": "1.0.0-*",
@@ -10,7 +10,7 @@
     "net45": {},
     "k10": {
       "dependencies": {
-        "System.Collections": "4.0.0.0",
+        "System.Collections": "4.0.10.0",
         "System.ComponentModel": "4.0.0.0",
         "System.Diagnostics.Debug": "4.0.10.0",
         "System.Diagnostics.Tools": "4.0.0.0",