diff --git a/packages/mailer/package.json b/packages/mailer/package.json
index 541d8bfd..a2500929 100644
--- a/packages/mailer/package.json
+++ b/packages/mailer/package.json
@@ -56,6 +56,7 @@
   "dependencies": {
     "@css-inline/css-inline": "0.20.0",
     "glob": "13.0.6",
+    "lodash": ">=4.18.1",
     "tslib": "^2.8.1"
   },
   "optionalDependencies": {