diff --git a/docs/src/pages/guides/migration-v3/migration-v3.md b/docs/src/pages/guides/migration-v3/migration-v3.md
index 7929bae81cd3ea..2170f98be48277 100644
--- a/docs/src/pages/guides/migration-v3/migration-v3.md
+++ b/docs/src/pages/guides/migration-v3/migration-v3.md
@@ -29,7 +29,7 @@ You need to update your `package.json` to use the latest version of Material-UI.
 
 ```json
 "dependencies": {
-  "@material-ui/core": "^4.0.0-beta.0"
+  "@material-ui/core": "^4.0.0"
 }
 ```
 
@@ -54,7 +54,7 @@ If you are previously using `@material-ui/styles` with v3 you need to update you
 
 ```json
 "dependencies": {
-  "@material-ui/styles": "^4.0.0-beta.0"
+  "@material-ui/styles": "^4.0.0"
 }
 ```
 
diff --git a/package.json b/package.json
index 9bc97091ff3f49..23dac38ae13871 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/workspace",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0",
   "private": true,
   "author": "Material-UI Team",
   "description": "Material-UI's workspace package",
diff --git a/packages/material-ui-docs/package.json b/packages/material-ui-docs/package.json
index b17d380827073d..880fe99df78ead 100644
--- a/packages/material-ui-docs/package.json
+++ b/packages/material-ui-docs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/docs",
-  "version": "4.0.0-beta.0",
+  "version": "4.0.0-beta.1",
   "private": false,
   "author": "Material-UI Team",
   "description": "Material-UI Docs - Documentation building blocks.",
@@ -31,13 +31,13 @@
     "test": "exit 0"
   },
   "peerDependencies": {
-    "@material-ui/core": "^4.0.0-beta.0",
+    "@material-ui/core": "^4.0.0",
     "react": "^16.8.0",
     "react-dom": "^16.8.0"
   },
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@material-ui/utils": "^4.0.0-beta.0",
+    "@material-ui/utils": "^4.0.0",
     "clsx": "^1.0.2",
     "marked": "^0.6.0",
     "nprogress": "^0.2.0",
diff --git a/packages/material-ui-icons/package.json b/packages/material-ui-icons/package.json
index 9fcff781a5b3a9..f4fab4fe432e58 100644
--- a/packages/material-ui-icons/package.json
+++ b/packages/material-ui-icons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/icons",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0",
   "private": false,
   "author": "Material-UI Team",
   "description": "Material Design Svg Icons converted to Material-UI React components.",
@@ -36,7 +36,7 @@
     "typescript": "tslint -p tsconfig.json \"src/**/*.{ts,tsx}\""
   },
   "peerDependencies": {
-    "@material-ui/core": "^4.0.0-rc.0",
+    "@material-ui/core": "^4.0.0",
     "react": "^16.8.0",
     "react-dom": "^16.8.0"
   },
diff --git a/packages/material-ui-lab/package.json b/packages/material-ui-lab/package.json
index c6e955fe2ca580..32f49745109d8a 100644
--- a/packages/material-ui-lab/package.json
+++ b/packages/material-ui-lab/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/lab",
-  "version": "4.0.0-alpha.12",
+  "version": "4.0.0-alpha.13",
   "private": false,
   "author": "Material-UI Team",
   "description": "Material-UI Lab - Incubator for Material-UI React components.",
@@ -33,13 +33,13 @@
     "typescript": "tslint -p tsconfig.json \"src/**/*.{ts,tsx}\""
   },
   "peerDependencies": {
-    "@material-ui/core": "^4.0.0-rc.0",
+    "@material-ui/core": "^4.0.0",
     "react": "^16.8.0",
     "react-dom": "^16.8.0"
   },
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@material-ui/utils": "^4.0.0-rc.0",
+    "@material-ui/utils": "^4.0.0",
     "clsx": "^1.0.2",
     "keycode": "^2.1.9",
     "prop-types": "^15.7.2"
diff --git a/packages/material-ui-styles/package.json b/packages/material-ui-styles/package.json
index 64c0604aee0a3c..f540e2de4c28c1 100644
--- a/packages/material-ui-styles/package.json
+++ b/packages/material-ui-styles/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/styles",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0",
   "private": false,
   "author": "Material-UI Team",
   "description": "Material-UI Styles - The styling solution of Material-UI.",
@@ -39,8 +39,8 @@
   "dependencies": {
     "@babel/runtime": "^7.2.0",
     "@emotion/hash": "^0.7.1",
-    "@material-ui/types": "^4.0.0-rc.0",
-    "@material-ui/utils": "^4.0.0-rc.0",
+    "@material-ui/types": "^4.0.0",
+    "@material-ui/utils": "^4.0.0",
     "clsx": "^1.0.2",
     "deepmerge": "^3.0.0",
     "hoist-non-react-statics": "^3.2.1",
diff --git a/packages/material-ui-system/package.json b/packages/material-ui-system/package.json
index ca61a5dee9cab5..1aa20bd1d1f6b7 100644
--- a/packages/material-ui-system/package.json
+++ b/packages/material-ui-system/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/system",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0",
   "private": false,
   "author": "Material-UI Team",
   "description": "Material-UI System - Design system for Material-UI.",
diff --git a/packages/material-ui-types/package.json b/packages/material-ui-types/package.json
index 1268ba7ba6c165..01ad2d71819846 100644
--- a/packages/material-ui-types/package.json
+++ b/packages/material-ui-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/types",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0",
   "private": false,
   "author": "Material-UI Team",
   "description": "Material-UI Types - Utility types for Material-UI.",
diff --git a/packages/material-ui-utils/package.json b/packages/material-ui-utils/package.json
index c755678a3480b1..65ed70b6b34cd2 100644
--- a/packages/material-ui-utils/package.json
+++ b/packages/material-ui-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/utils",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0",
   "private": false,
   "author": "Material-UI Team",
   "description": "Material-UI Utils - Utility functions for Material-UI.",
diff --git a/packages/material-ui/package.json b/packages/material-ui/package.json
index 0ead92ed5286a1..d8065e3c5fdfcd 100644
--- a/packages/material-ui/package.json
+++ b/packages/material-ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/core",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0",
   "private": false,
   "author": "Material-UI Team",
   "description": "React components that implement Google's Material Design.",
@@ -37,10 +37,10 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@material-ui/styles": "^4.0.0-rc.0",
-    "@material-ui/system": "^4.0.0-rc.0",
-    "@material-ui/types": "^4.0.0-rc.0",
-    "@material-ui/utils": "^4.0.0-rc.0",
+    "@material-ui/styles": "^4.0.0",
+    "@material-ui/system": "^4.0.0",
+    "@material-ui/types": "^4.0.0",
+    "@material-ui/utils": "^4.0.0",
     "@types/react-transition-group": "^2.0.16",
     "clsx": "^1.0.2",
     "convert-css-length": "^1.0.2",
diff --git a/pages/blog/material-ui-v4-is-out.md b/pages/blog/material-ui-v4-is-out.md
index cf7336a274e819..b4dbdd110fe9c3 100644
--- a/pages/blog/material-ui-v4-is-out.md
+++ b/pages/blog/material-ui-v4-is-out.md
@@ -299,6 +299,15 @@ So we will work on isolating the components from the styling solution. The new *
 People should be able to use their preferred styling solution without paying the cost of two CSS-in-JS runtimes.
 - **Accessibility.** While we try to fix all accessibility issues as they are reported by our users, we feel that we can do better. We want to run a professional ADA audit of all our components ♿️.
 
+## Premium themes store ✨
+
+How are we going to sustain this ambitious roadmap?
+We will follow the Bootstrap model.
+We are working on [a Premium themes store](https://themes.material-ui.com/).
+
+We have built partnerships with the best theme authors of the ecosystem.
+Within a few weeks, you should find a collection of the best Material-UI templates and themes 😍.
+
 ## Thank you
 
 Finally, one last thank you to everyone who's contributed to Material-UI v4.