diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index eddc2da2..c5b4e22b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -35,7 +35,7 @@ build_project:
   stage: build_project
   script:
     - echo "npm install ..."
-    - npm install --save-dev cross-env --unsafe-perm
+    - npm install --save-dev --unsafe-perm
     - echo "npm run build"
     - npm run build
   artifacts:
diff --git a/package.json b/package.json
index 4aed6df7..cbc83c5e 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
     "@babel/preset-typescript": "^7.10.4",
     "@commitlint/cli": "^9.1.2",
     "@commitlint/config-conventional": "^9.1.2",
+    "@highlightjs/vue-plugin": "^2.0.1",
     "@rollup/plugin-commonjs": "^15.1.0",
     "@rollup/plugin-node-resolve": "^9.0.0",
     "@rollup/plugin-typescript": "^6.0.0",