diff --git a/addons/docs/package.json b/addons/docs/package.json
index 6ca8e8b285f..e077ab97a16 100644
--- a/addons/docs/package.json
+++ b/addons/docs/package.json
@@ -136,11 +136,11 @@
     "zone.js": "^0.11.3"
   },
   "peerDependencies": {
-    "@storybook/angular": "6.3.0-alpha.28",
-    "@storybook/lit": "6.3.0-alpha.28",
-    "@storybook/vue": "6.3.0-alpha.28",
-    "@storybook/vue3": "6.3.0-alpha.28",
-    "@storybook/web-components": "6.3.0-alpha.28",
+    "@storybook/angular": "6.3.0-alpha.29",
+    "@storybook/lit": "6.3.0-alpha.29",
+    "@storybook/vue": "6.3.0-alpha.29",
+    "@storybook/vue3": "6.3.0-alpha.29",
+    "@storybook/web-components": "6.3.0-alpha.29",
     "lit": "^2.0.0-rc.1",
     "lit-html": "^1.0.0",
     "react": "^16.8.0 || ^17.0.0",
@@ -203,4 +203,4 @@
       "react-native"
     ]
   }
-}
+}
\ No newline at end of file
diff --git a/addons/essentials/package.json b/addons/essentials/package.json
index c103c95678e..58933a36b2d 100644
--- a/addons/essentials/package.json
+++ b/addons/essentials/package.json
@@ -60,8 +60,8 @@
   },
   "peerDependencies": {
     "@babel/core": "^7.9.6",
-    "@storybook/vue": "6.3.0-alpha.28",
-    "@storybook/web-components": "6.3.0-alpha.28",
+    "@storybook/vue": "6.3.0-alpha.29",
+    "@storybook/web-components": "6.3.0-alpha.29",
     "babel-loader": "^8.0.0",
     "lit-html": "^1.0.0",
     "react": "^16.8.0 || ^17.0.0",
@@ -93,4 +93,4 @@
   },
   "gitHead": "2f7423e38558228c3b5b09a3afc5047ac3523241",
   "sbmodern": "dist/modern/index.js"
-}
+}
\ No newline at end of file
diff --git a/addons/storyshots/storyshots-puppeteer/package.json b/addons/storyshots/storyshots-puppeteer/package.json
index e2bf12e7f7a..319ec38c330 100644
--- a/addons/storyshots/storyshots-puppeteer/package.json
+++ b/addons/storyshots/storyshots-puppeteer/package.json
@@ -53,7 +53,7 @@
     "@types/puppeteer": "^5.4.0"
   },
   "peerDependencies": {
-    "@storybook/addon-storyshots": "6.3.0-alpha.28",
+    "@storybook/addon-storyshots": "6.3.0-alpha.29",
     "puppeteer": "^2.0.0 || ^3.0.0"
   },
   "peerDependenciesMeta": {
@@ -65,4 +65,4 @@
     "access": "public"
   },
   "gitHead": "2f7423e38558228c3b5b09a3afc5047ac3523241"
-}
+}
\ No newline at end of file
diff --git a/lib/api/src/version.ts b/lib/api/src/version.ts
index 6ae37674cdc..1cc1029d48e 100644
--- a/lib/api/src/version.ts
+++ b/lib/api/src/version.ts
@@ -1 +1 @@
-export const version = '6.3.0-alpha.28';
+export const version = '6.3.0-alpha.29';
diff --git a/lib/cli/src/versions.json b/lib/cli/src/versions.json
index 739ba183e68..616de640eeb 100644
--- a/lib/cli/src/versions.json
+++ b/lib/cli/src/versions.json
@@ -1,54 +1,54 @@
 {
-  "@storybook/addon-a11y": "6.3.0-alpha.28",
-  "@storybook/addon-actions": "6.3.0-alpha.28",
-  "@storybook/addon-backgrounds": "6.3.0-alpha.28",
-  "@storybook/addon-controls": "6.3.0-alpha.28",
-  "@storybook/addon-docs": "6.3.0-alpha.28",
-  "@storybook/addon-essentials": "6.3.0-alpha.28",
-  "@storybook/addon-jest": "6.3.0-alpha.28",
-  "@storybook/addon-links": "6.3.0-alpha.28",
-  "@storybook/addon-storyshots": "6.3.0-alpha.28",
-  "@storybook/addon-storyshots-puppeteer": "6.3.0-alpha.28",
-  "@storybook/addon-storysource": "6.3.0-alpha.28",
-  "@storybook/addon-toolbars": "6.3.0-alpha.28",
-  "@storybook/addon-viewport": "6.3.0-alpha.28",
-  "@storybook/addons": "6.3.0-alpha.28",
-  "@storybook/angular": "6.3.0-alpha.28",
-  "@storybook/api": "6.3.0-alpha.28",
-  "@storybook/aurelia": "6.3.0-alpha.28",
-  "@storybook/builder-webpack4": "6.3.0-alpha.28",
-  "@storybook/builder-webpack5": "6.3.0-alpha.28",
-  "@storybook/channel-postmessage": "6.3.0-alpha.28",
-  "@storybook/channel-websocket": "6.3.0-alpha.28",
-  "@storybook/channels": "6.3.0-alpha.28",
-  "@storybook/cli": "6.3.0-alpha.28",
-  "@storybook/client-api": "6.3.0-alpha.28",
-  "@storybook/client-logger": "6.3.0-alpha.28",
-  "@storybook/codemod": "6.3.0-alpha.28",
-  "@storybook/components": "6.3.0-alpha.28",
-  "@storybook/core": "6.3.0-alpha.28",
-  "@storybook/core-client": "6.3.0-alpha.28",
-  "@storybook/core-common": "6.3.0-alpha.28",
-  "@storybook/core-events": "6.3.0-alpha.28",
-  "@storybook/core-server": "6.3.0-alpha.28",
-  "@storybook/ember": "6.3.0-alpha.28",
-  "@storybook/html": "6.3.0-alpha.28",
-  "@storybook/marionette": "6.3.0-alpha.28",
-  "@storybook/marko": "6.3.0-alpha.28",
-  "@storybook/mithril": "6.3.0-alpha.28",
-  "@storybook/node-logger": "6.3.0-alpha.28",
-  "@storybook/postinstall": "6.3.0-alpha.28",
-  "@storybook/preact": "6.3.0-alpha.28",
-  "@storybook/rax": "6.3.0-alpha.28",
-  "@storybook/react": "6.3.0-alpha.28",
-  "@storybook/riot": "6.3.0-alpha.28",
-  "@storybook/router": "6.3.0-alpha.28",
-  "@storybook/server": "6.3.0-alpha.28",
-  "@storybook/source-loader": "6.3.0-alpha.28",
-  "@storybook/svelte": "6.3.0-alpha.28",
-  "@storybook/theming": "6.3.0-alpha.28",
-  "@storybook/ui": "6.3.0-alpha.28",
-  "@storybook/vue": "6.3.0-alpha.28",
-  "@storybook/vue3": "6.3.0-alpha.28",
-  "@storybook/web-components": "6.3.0-alpha.28"
+  "@storybook/addon-a11y": "6.3.0-alpha.29",
+  "@storybook/addon-actions": "6.3.0-alpha.29",
+  "@storybook/addon-backgrounds": "6.3.0-alpha.29",
+  "@storybook/addon-controls": "6.3.0-alpha.29",
+  "@storybook/addon-docs": "6.3.0-alpha.29",
+  "@storybook/addon-essentials": "6.3.0-alpha.29",
+  "@storybook/addon-jest": "6.3.0-alpha.29",
+  "@storybook/addon-links": "6.3.0-alpha.29",
+  "@storybook/addon-storyshots": "6.3.0-alpha.29",
+  "@storybook/addon-storyshots-puppeteer": "6.3.0-alpha.29",
+  "@storybook/addon-storysource": "6.3.0-alpha.29",
+  "@storybook/addon-toolbars": "6.3.0-alpha.29",
+  "@storybook/addon-viewport": "6.3.0-alpha.29",
+  "@storybook/addons": "6.3.0-alpha.29",
+  "@storybook/angular": "6.3.0-alpha.29",
+  "@storybook/api": "6.3.0-alpha.29",
+  "@storybook/aurelia": "6.3.0-alpha.29",
+  "@storybook/builder-webpack4": "6.3.0-alpha.29",
+  "@storybook/builder-webpack5": "6.3.0-alpha.29",
+  "@storybook/channel-postmessage": "6.3.0-alpha.29",
+  "@storybook/channel-websocket": "6.3.0-alpha.29",
+  "@storybook/channels": "6.3.0-alpha.29",
+  "@storybook/cli": "6.3.0-alpha.29",
+  "@storybook/client-api": "6.3.0-alpha.29",
+  "@storybook/client-logger": "6.3.0-alpha.29",
+  "@storybook/codemod": "6.3.0-alpha.29",
+  "@storybook/components": "6.3.0-alpha.29",
+  "@storybook/core": "6.3.0-alpha.29",
+  "@storybook/core-client": "6.3.0-alpha.29",
+  "@storybook/core-common": "6.3.0-alpha.29",
+  "@storybook/core-events": "6.3.0-alpha.29",
+  "@storybook/core-server": "6.3.0-alpha.29",
+  "@storybook/ember": "6.3.0-alpha.29",
+  "@storybook/html": "6.3.0-alpha.29",
+  "@storybook/marionette": "6.3.0-alpha.29",
+  "@storybook/marko": "6.3.0-alpha.29",
+  "@storybook/mithril": "6.3.0-alpha.29",
+  "@storybook/node-logger": "6.3.0-alpha.29",
+  "@storybook/postinstall": "6.3.0-alpha.29",
+  "@storybook/preact": "6.3.0-alpha.29",
+  "@storybook/rax": "6.3.0-alpha.29",
+  "@storybook/react": "6.3.0-alpha.29",
+  "@storybook/riot": "6.3.0-alpha.29",
+  "@storybook/router": "6.3.0-alpha.29",
+  "@storybook/server": "6.3.0-alpha.29",
+  "@storybook/source-loader": "6.3.0-alpha.29",
+  "@storybook/svelte": "6.3.0-alpha.29",
+  "@storybook/theming": "6.3.0-alpha.29",
+  "@storybook/ui": "6.3.0-alpha.29",
+  "@storybook/vue": "6.3.0-alpha.29",
+  "@storybook/vue3": "6.3.0-alpha.29",
+  "@storybook/web-components": "6.3.0-alpha.29"
 }
diff --git a/lib/core-server/package.json b/lib/core-server/package.json
index ef91a114a56..8482d326fb0 100644
--- a/lib/core-server/package.json
+++ b/lib/core-server/package.json
@@ -110,7 +110,7 @@
     "jest-specific-snapshot": "^4.0.0"
   },
   "peerDependencies": {
-    "@storybook/builder-webpack5": "6.3.0-alpha.28",
+    "@storybook/builder-webpack5": "6.3.0-alpha.29",
     "react": "^16.8.0 || ^17.0.0",
     "react-dom": "^16.8.0 || ^17.0.0"
   },
@@ -127,4 +127,4 @@
   },
   "gitHead": "2f7423e38558228c3b5b09a3afc5047ac3523241",
   "sbmodern": "dist/modern/index.js"
-}
+}
\ No newline at end of file
diff --git a/lib/core/package.json b/lib/core/package.json
index 6c6f3dd0eea..0a5ce01affd 100644
--- a/lib/core/package.json
+++ b/lib/core/package.json
@@ -44,7 +44,7 @@
     "@storybook/core-server": "6.3.0-alpha.28"
   },
   "peerDependencies": {
-    "@storybook/builder-webpack5": "6.3.0-alpha.28",
+    "@storybook/builder-webpack5": "6.3.0-alpha.29",
     "react": "^16.8.0 || ^17.0.0",
     "react-dom": "^16.8.0 || ^17.0.0"
   },
@@ -61,4 +61,4 @@
   },
   "gitHead": "2f7423e38558228c3b5b09a3afc5047ac3523241",
   "sbmodern": "dist/modern/index.js"
-}
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index 394b7d4f81d..282b173a76c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/root",
-  "version": "6.3.0-alpha.28",
+  "version": "6.3.0-alpha.29",
   "private": true,
   "description": "Storybook is an open source tool for developing UI components in isolation for React, Vue and Angular. It makes building stunning UIs organized and efficient.",
   "keywords": [