diff --git a/packages/inbound-mail-parser/package.json b/packages/inbound-mail-parser/package.json
index 9870726c6..cd13ec9ab 100644
--- a/packages/inbound-mail-parser/package.json
+++ b/packages/inbound-mail-parser/package.json
@@ -27,7 +27,7 @@
   },
   "dependencies": {
     "@sendgrid/helpers": "^7.6.0",
-    "mailparser": "^2.3.4"
+    "mailparser": "^3.3.0"
   },
   "tags": [
     "sendgrid"