diff --git a/MAINTAINING.md b/MAINTAINING.md
new file mode 100644
index 0000000..6e327fa
--- /dev/null
+++ b/MAINTAINING.md
@@ -0,0 +1,31 @@
+# Maintaining yorkie-ui
+
+## Releasing a New Version
+
+### 1. Update the version number.
+
+- Update `version` in [package.json](https://github.com/yorkie-team/yorkie-ui/blob/main/package.json#L3).
+- Run `pnpm run version` to synchronize the versions of sub-packages with the root version.
+- Create [Pull Request](https://github.com/yorkie-team/yorkie-ui/commits/main/package.json) and merge it into main.
+
+### 2. Publish a new release.
+
+1. Click on `Releases` in GitHub, then click the `Draft a new release` button.
+
+   Alternatively, you can directly access this link: https://github.com/yorkie-team/yorkie-ui/releases/new
+
+   ![image](https://github.com/user-attachments/assets/03f5cf54-eafe-4577-84a4-e4d1d7f8c7bf)
+
+2. Create a new tag.
+
+   ![image](https://github.com/user-attachments/assets/ef34bd77-3d7b-4111-93a6-2408be0777d2)
+
+3. Click the `Generate release notes` button.
+
+   ![image](https://github.com/user-attachments/assets/78fc240c-385c-414e-a7a3-03b73a31254b)
+
+4. Click the `Publish release` button.
+
+### 3. Deploy
+
+When you publish the release, [GitHub action](https://github.com/yorkie-team/yorkie-ui/blob/main/.github/workflows/npm-publish.yml) will automatically deploy Yorkie UI to [npm](https://www.npmjs.com/package/@yorkie-ui/core).
diff --git a/apps/storybook/src/stories/Introduction.mdx b/apps/storybook/src/stories/Introduction.mdx
index d8d36ef..233f73f 100644
--- a/apps/storybook/src/stories/Introduction.mdx
+++ b/apps/storybook/src/stories/Introduction.mdx
@@ -19,7 +19,7 @@ npm install --save @yorkie-ui/core
 Add styles imports to the root of your project.
 
 ```
-import '@yorkie-ui/core/dist/styles.css';
+import '@yorkie-ui/core/styles.css';
 
 ```
 
diff --git a/packages/core/README.md b/packages/core/README.md
index 7c292db..a99f46e 100644
--- a/packages/core/README.md
+++ b/packages/core/README.md
@@ -14,7 +14,7 @@ Import the styles and components you need from `@yorkie-ui/core`:
 
 ```tsx
 // import the styles
-import '@yorkie-ui/core/dist/styles.css';
+import '@yorkie-ui/core/styles.css';
 
 // import button component
 import { Button } from '@yorkie-ui/core';