diff --git a/package.json b/package.json
index b2dc871..aee21c2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cotton-box-monorepo",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "A flexible toolbox with different types of state managers catered to different scenarios.",
   "author": "glyph-cat",
   "license": "MIT",
diff --git a/packages/core/package.json b/packages/core/package.json
index 7efbf8f..a2a44ea 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cotton-box",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "A flexible toolbox with different types of state managers catered to different scenarios.",
   "main": "lib/cjs/index.js",
   "module": "lib/es/index.js",
diff --git a/packages/docs/package.json b/packages/docs/package.json
index d47d570..457a853 100644
--- a/packages/docs/package.json
+++ b/packages/docs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cotton-box-docs",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Docs site for Cotton Box.",
   "scripts": {
     "postinstall": "yarn sync",
diff --git a/packages/examples-web/package.json b/packages/examples-web/package.json
index c9c6fec..cd0e9f0 100644
--- a/packages/examples-web/package.json
+++ b/packages/examples-web/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cotton-box-examples-web",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Web examples for Cotton Box.",
   "scripts": {
     "start": "next dev -p 3001",
diff --git a/packages/react/package.json b/packages/react/package.json
index d9276b4..50902e9 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cotton-box-react",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "The official React bindings for Cotton Box.",
   "main": "lib/cjs/index.js",
   "module": "lib/es/index.js",