diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5590092..42575bb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,6 +10,9 @@ jobs:
     steps:
       - uses: actions/checkout@v1
 
+      - run: yarn --production
+      - run: git add node_modules -f
+
       - uses: ./
         with:
           github-token: ${{ secrets.github_token }}
diff --git a/src/helpers/generateChangelog.js b/src/helpers/generateChangelog.js
index 9060d98..a519dc9 100644
--- a/src/helpers/generateChangelog.js
+++ b/src/helpers/generateChangelog.js
@@ -1,3 +1,4 @@
+const fs = require('fs')
 const conventionalChangelog = require('conventional-changelog')
 
 module.exports = (tagPrefix, preset, jsonPackage, fileName) => new Promise((resolve) => {