diff --git a/packages/@vuepress/shared-utils/package.json b/packages/@vuepress/shared-utils/package.json
index dc8cafe31c..c091b9940d 100644
--- a/packages/@vuepress/shared-utils/package.json
+++ b/packages/@vuepress/shared-utils/package.json
@@ -38,6 +38,7 @@
     "gray-matter": "^4.0.1",
     "hash-sum": "^1.0.2",
     "semver": "^6.0.0",
+    "toml": "^3.0.0",
     "upath": "^1.1.0"
   },
   "devDependencies": {