diff --git a/front/package.json b/front/package.json
index adb4026..e5e9e64 100644
--- a/front/package.json
+++ b/front/package.json
@@ -29,6 +29,7 @@
     "babel-eslint": "^10.1.0",
     "eslint": "^6.7.2",
     "eslint-plugin-vue": "^7.0.0",
+    "github-markdown-css": "^4.0.0",
     "raw-loader": "^4.0.2",
     "zulip-js": "^2.0.9"
   },