diff --git a/backend/package.json b/backend/package.json
index a47cf2102b57..93f615e0b0eb 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -43,7 +43,7 @@
     "helmet": "4.6.0",
     "ioredis": "4.28.5",
     "lru-cache": "11.5.1",
-    "mjml": "4.15.0",
+    "mjml": "5.0.0",
     "mongodb": "6.3.0",
     "mustache": "4.2.0",
     "nodemailer": "9.0.1",