diff --git a/src/Microsoft.AspNet.Abstractions/project.json b/src/Microsoft.AspNet.Abstractions/project.json
index d2bb6fd770..5f23498788 100644
--- a/src/Microsoft.AspNet.Abstractions/project.json
+++ b/src/Microsoft.AspNet.Abstractions/project.json
@@ -1,4 +1,5 @@
 {
+  "version": "0.1-alpha-*",
   "dependencies": {},
   "configurations": {
     "net45": { },
diff --git a/src/Microsoft.AspNet.FeatureModel/project.json b/src/Microsoft.AspNet.FeatureModel/project.json
index d2bb6fd770..5f23498788 100644
--- a/src/Microsoft.AspNet.FeatureModel/project.json
+++ b/src/Microsoft.AspNet.FeatureModel/project.json
@@ -1,4 +1,5 @@
 {
+  "version": "0.1-alpha-*",
   "dependencies": {},
   "configurations": {
     "net45": { },
diff --git a/src/Microsoft.AspNet.HttpFeature/project.json b/src/Microsoft.AspNet.HttpFeature/project.json
index 33b303fa39..17465c3576 100644
--- a/src/Microsoft.AspNet.HttpFeature/project.json
+++ b/src/Microsoft.AspNet.HttpFeature/project.json
@@ -1,4 +1,5 @@
 {
+  "version": "0.1-alpha-*",
   "configurations": {
     "net45": { },
     "k10" : { }
diff --git a/src/Microsoft.AspNet.PipelineCore/project.json b/src/Microsoft.AspNet.PipelineCore/project.json
index 062ab51708..c55207d3f0 100644
--- a/src/Microsoft.AspNet.PipelineCore/project.json
+++ b/src/Microsoft.AspNet.PipelineCore/project.json
@@ -1,4 +1,5 @@
 {
+  "version": "0.1-alpha-*",
   "dependencies": {
     "Microsoft.AspNet.FeatureModel" : "",
     "Microsoft.AspNet.Abstractions" : "",