diff --git a/CHANGELOG.md b/CHANGELOG.md
index b6d87255e583..e5a61b99e62c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+<a name="2.0.0-alpha.1"></a>
+# [2.0.0-alpha.1 nylon-hyperdrive](https://github.com/angular/material2/compare/2.0.0-alpha.0...v2.0.0-alpha.1) (2016-03-16)
+
+
+### Features
+
+* **radio:** Radio button component. ([d76465b](https://github.com/angular/material2/commit/d76465b)), closes [#125](https://github.com/angular/material2/issues/125)
+
+
+
 <a name="2.0.0-alpha.0"></a>
 # 2.0.0-alpha.0 titanium-octopus (2016-03-15)
 
diff --git a/package.json b/package.json
index c1cc972345e2..20bee85278bf 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "postinstall": "npm run typings",
     "e2e": "protractor ./protractor.conf.js"
   },
-  "version": "2.0.0-alpha.0",
+  "version": "2.0.0-alpha.1",
   "license": "MIT",
   "engines": {
     "node": ">= 4.2.1 < 5"
diff --git a/src/components/button/package.json b/src/components/button/package.json
index 03dc0c8cd135..201900e2327e 100644
--- a/src/components/button/package.json
+++ b/src/components/button/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular2-material/button",
-  "version": "2.0.0-alpha.0",
+  "version": "2.0.0-alpha.1",
   "description": "Angular 2 Material button",
   "main": "./button.js",
   "typings": "./button.d.ts",
@@ -24,6 +24,6 @@
   "homepage": "https://github.com/angular/material2#readme",
   "peerDependencies": {
     "angular2": "^2.0.0-beta.8",
-    "@angular2-material/core": "2.0.0-alpha.0"
+    "@angular2-material/core": "2.0.0-alpha.1"
   }
 }
diff --git a/src/components/card/package.json b/src/components/card/package.json
index f5dd9308b3c0..8b00336bdaac 100644
--- a/src/components/card/package.json
+++ b/src/components/card/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular2-material/card",
-  "version": "2.0.0-alpha.0",
+  "version": "2.0.0-alpha.1",
   "description": "Angular 2 Material card",
   "main": "./card.js",
   "typings": "./card.d.ts",
@@ -22,6 +22,6 @@
   "homepage": "https://github.com/angular/material2#readme",
   "peerDependencies": {
     "angular2": "^2.0.0-beta.8",
-    "@angular2-material/core": "2.0.0-alpha.0"
+    "@angular2-material/core": "2.0.0-alpha.1"
   }
 }
diff --git a/src/components/checkbox/package.json b/src/components/checkbox/package.json
index e5161bcd8666..7878d980a299 100644
--- a/src/components/checkbox/package.json
+++ b/src/components/checkbox/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular2-material/checkbox",
-  "version": "2.0.0-alpha.0",
+  "version": "2.0.0-alpha.1",
   "description": "Angular 2 Material checkbox",
   "main": "./checkbox.js",
   "typings": "./checkbox.d.ts",
@@ -22,6 +22,6 @@
   "homepage": "https://github.com/angular/material2#readme",
   "peerDependencies": {
     "angular2": "^2.0.0-beta.8",
-    "@angular2-material/core": "2.0.0-alpha.0"
+    "@angular2-material/core": "2.0.0-alpha.1"
   }
 }
diff --git a/src/components/progress-circle/package.json b/src/components/progress-circle/package.json
index ec90ccf26fc8..56df787be60b 100644
--- a/src/components/progress-circle/package.json
+++ b/src/components/progress-circle/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular2-material/progress-circle",
-  "version": "2.0.0-alpha.0",
+  "version": "2.0.0-alpha.1",
   "description": "Angular 2 Material progress-circle",
   "main": "./progress-circle.js",
   "typings": "./progress-circle.d.ts",
@@ -23,6 +23,6 @@
   "homepage": "https://github.com/angular/material2#readme",
   "peerDependencies": {
     "angular2": "^2.0.0-beta.8",
-    "@angular2-material/core": "2.0.0-alpha.0"
+    "@angular2-material/core": "2.0.0-alpha.1"
   }
 }
diff --git a/src/components/sidenav/package.json b/src/components/sidenav/package.json
index 2892cc93923c..ffdf4f44feb5 100644
--- a/src/components/sidenav/package.json
+++ b/src/components/sidenav/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular2-material/sidenav",
-  "version": "2.0.0-alpha.0",
+  "version": "2.0.0-alpha.1",
   "description": "Angular 2 Material sidenav",
   "main": "./sidenav.js",
   "typings": "./sidenav.d.ts",
@@ -25,6 +25,6 @@
   "homepage": "https://github.com/angular/material2#readme",
   "peerDependencies": {
     "angular2": "^2.0.0-beta.8",
-    "@angular2-material/core": "2.0.0-alpha.0"
+    "@angular2-material/core": "2.0.0-alpha.1"
   }
 }
diff --git a/src/components/toolbar/package.json b/src/components/toolbar/package.json
index 348ff71d2a6a..7085f569a557 100644
--- a/src/components/toolbar/package.json
+++ b/src/components/toolbar/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular2-material/toolbar",
-  "version": "2.0.0-alpha.0",
+  "version": "2.0.0-alpha.1",
   "description": "Angular 2 Material toolbar",
   "main": "./toolbar.js",
   "typings": "./toolbar.d.ts",
diff --git a/src/core/package.json b/src/core/package.json
index ee0089120788..79084f9d0c4f 100644
--- a/src/core/package.json
+++ b/src/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular2-material/core",
-  "version": "2.0.0-alpha.0",
+  "version": "2.0.0-alpha.1",
   "description": "Angular 2 Material core",
   "main": "./core.js",
   "typings": "./core.d.ts",