diff --git a/README.md b/README.md
index 09e75bf..1f03b97 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,6 @@
 * [Examples](#-examples)
 * [Install](#-install)
 * [Usage](#-usage)
-* [Dependency](#-dependency)
 * [Browser Support](#-browser-support)
 * [Pull Request Steps](#-pull-request-steps)
 * [Contributing](#-contributing)
@@ -163,10 +162,6 @@ instance.roll( ... );
 For more information about the API, please see [here](https://nhn.github.io/tui.rolling/latest/Rolling).
 
 
-## 🔩 Dependency
-* [tui-code-snippet](https://github.com/nhn/tui.code-snippet) >=2.2.0
-
-
 ## 🌏 Browser Support
 | <img src="https://user-images.githubusercontent.com/1215767/34348387-a2e64588-ea4d-11e7-8267-a43365103afe.png" alt="Chrome" width="16px" height="16px" /> Chrome | <img src="https://user-images.githubusercontent.com/1215767/34348590-250b3ca2-ea4f-11e7-9efb-da953359321f.png" alt="IE" width="16px" height="16px" /> Internet Explorer | <img src="https://user-images.githubusercontent.com/1215767/34348380-93e77ae8-ea4d-11e7-8696-9a989ddbbbf5.png" alt="Edge" width="16px" height="16px" /> Edge | <img src="https://user-images.githubusercontent.com/1215767/34348394-a981f892-ea4d-11e7-9156-d128d58386b9.png" alt="Safari" width="16px" height="16px" /> Safari | <img src="https://user-images.githubusercontent.com/1215767/34348383-9e7ed492-ea4d-11e7-910c-03b39d52f496.png" alt="Firefox" width="16px" height="16px" /> Firefox |
 | :---------: | :---------: | :---------: | :---------: | :---------: |
diff --git a/package-lock.json b/package-lock.json
index 474a8f9..4f24041 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9548,7 +9548,8 @@
     "tui-code-snippet": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/tui-code-snippet/-/tui-code-snippet-2.2.0.tgz",
-      "integrity": "sha512-d2xS3f5m9CqOXI8R5anwr0kRQai4nVJ96pVNz0AEDZ0FCsi++45EXEBOZxhYbO2deOAXfkGO6HRlXKOy9ByFlw=="
+      "integrity": "sha512-d2xS3f5m9CqOXI8R5anwr0kRQai4nVJ96pVNz0AEDZ0FCsi++45EXEBOZxhYbO2deOAXfkGO6HRlXKOy9ByFlw==",
+      "dev": true
     },
     "tunnel-agent": {
       "version": "0.4.3",
diff --git a/package.json b/package.json
index d0a0c54..2368607 100644
--- a/package.json
+++ b/package.json
@@ -52,11 +52,9 @@
     "karma-webpack": "^4.0.2",
     "prettier": "^1.18.2",
     "terser-webpack-plugin": "^2.3.0",
+    "tui-code-snippet": "^2.2.0",
     "webpack": "^4.39.3",
     "webpack-cli": "^3.3.7",
     "webpack-dev-server": "^3.8.0"
-  },
-  "dependencies": {
-    "tui-code-snippet": "^2.2.0"
   }
 }