diff --git a/.yarnrc b/.yarnrc
new file mode 100644
index 0000000..af612a2
--- /dev/null
+++ b/.yarnrc
@@ -0,0 +1,2 @@
+yarn-offline-mirror "./npm_packages"
+yarn-offline-mirror-pruning true
\ No newline at end of file
diff --git a/package.json b/package.json
index 216bf40..4b914fb 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "test:lint": "run-p lint:eslint lint:stylelint"
   },
   "dependencies": {
+    "@cssninja/bulma": "^0.9.4",
     "@cssninja/bulma-css-vars": "0.9.2",
     "@fontsource/noto-sans-kr": "^5.2.5",
     "@mapbox/mapbox-gl-geocoder": "5.0.2",
diff --git a/yarn.lock b/yarn.lock
index 0ee10bd..b9729b1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -864,6 +864,11 @@
     css "^3.0.0"
     mkdirp "^1.0.4"
 
+"@cssninja/bulma@^0.9.4":
+  version "0.9.4"
+  resolved "https://registry.yarnpkg.com/@cssninja/bulma/-/bulma-0.9.4.tgz#74b21bd203574771ab38d9373f4deed5cc425fe6"
+  integrity sha512-66lo81oZ31Im8i9GEVZlHq1OmNyIt3PEMDoB+qeE9XUXGMmc4jHn9EUZjDW5KNMD1d3MV1ciWCnuR2xPne830w==
+
 "@csstools/css-parser-algorithms@^2.6.1":
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/@csstools/css-parser-algorithms/-/css-parser-algorithms-2.7.1.tgz#6d93a8f7d8aeb7cd9ed0868f946e46f021b6aa70"