diff --git a/samples/MvcSample.Web/project.json b/samples/MvcSample.Web/project.json
index 64fe79ca80..38fa38b482 100644
--- a/samples/MvcSample.Web/project.json
+++ b/samples/MvcSample.Web/project.json
@@ -10,7 +10,7 @@
     "Microsoft.AspNet.DependencyInjection": "0.1-alpha-*",
     "Microsoft.AspNet.Routing": "0.1-alpha-*",
     "Microsoft.AspNet.Server.WebListener": "0.1-alpha-*",
-    "Microsoft.ComponentModel.DataAnnotations": "4.0.10.0",
+    "Microsoft.ComponentModel.DataAnnotations": "0.1-alpha-*",
     "Microsoft.AspNet.Mvc.ModelBinding": "",
     "Microsoft.AspNet.Mvc.Core": "",
     "Microsoft.AspNet.Mvc": "",
diff --git a/src/Microsoft.AspNet.Mvc.ModelBinding/project.json b/src/Microsoft.AspNet.Mvc.ModelBinding/project.json
index c01236b9ef..b77553b43a 100644
--- a/src/Microsoft.AspNet.Mvc.ModelBinding/project.json
+++ b/src/Microsoft.AspNet.Mvc.ModelBinding/project.json
@@ -7,7 +7,7 @@
     "Common": "",
     "Microsoft.AspNet.DependencyInjection": "0.1-alpha-*",
     "Microsoft.AspNet.Abstractions": "0.1-alpha-*",
-    "Microsoft.ComponentModel.DataAnnotations": "4.0.10.0",
+    "Microsoft.ComponentModel.DataAnnotations": "0.1-alpha-*",
     "Newtonsoft.Json": "5.0.8"
   },
   "configurations": {
diff --git a/test/Microsoft.AspNet.Mvc.ModelBinding.Test/project.json b/test/Microsoft.AspNet.Mvc.ModelBinding.Test/project.json
index 04097cf166..85e399b6bd 100644
--- a/test/Microsoft.AspNet.Mvc.ModelBinding.Test/project.json
+++ b/test/Microsoft.AspNet.Mvc.ModelBinding.Test/project.json
@@ -8,7 +8,7 @@
     "Microsoft.AspNet.DependencyInjection": "0.1-alpha-*",
     "Microsoft.AspNet.PipelineCore": "0.1-alpha-*",
     "Microsoft.AspNet.Testing": "0.1-alpha-*",
-    "Microsoft.ComponentModel.DataAnnotations" : "4.0.10.0",
+    "Microsoft.ComponentModel.DataAnnotations" : "0.1-alpha-*",
     "Microsoft.AspNet.Mvc.ModelBinding" : "",
     "Newtonsoft.Json": "5.0.8",
     "Xunit.KRunner": "0.1-alpha-*",