diff --git a/firestore-send-email/functions/package-lock.json b/firestore-send-email/functions/package-lock.json
index 94e91b416..fef1858e4 100644
--- a/firestore-send-email/functions/package-lock.json
+++ b/firestore-send-email/functions/package-lock.json
@@ -14,9 +14,9 @@
         "firebase-admin": "^13.2.0",
         "firebase-functions": "^6.3.2",
         "handlebars": "^4.5.3",
-        "nodemailer": "^6.9.13",
+        "nodemailer": "^7.0.10",
         "rimraf": "^2.6.3",
-        "smtp-server": "^3.13.4",
+        "smtp-server": "^3.16.1",
         "typescript": "^5.7.3",
         "wait-on": "^7.2.0",
         "zod": "^3.24.4"
@@ -4723,9 +4723,10 @@
       "dev": true
     },
     "node_modules/nodemailer": {
-      "version": "6.10.1",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.10.1.tgz",
-      "integrity": "sha512-Z+iLaBGVaSjbIzQ4pX6XV41HrooLsQ10ZWPUehGmuantvzWoDVBnmsdUcOIDM1t+yPor5pDhVlDESgOMEGxhHA==",
+      "version": "7.0.10",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-7.0.10.tgz",
+      "integrity": "sha512-Us/Se1WtT0ylXgNFfyFSx4LElllVLJXQjWi2Xz17xWw7amDKO2MLtFnVp1WACy7GkVGs+oBlRopVNUzlrGSw1w==",
+      "license": "MIT-0",
       "engines": {
         "node": ">=6.0.0"
       }
@@ -5467,25 +5468,18 @@
       }
     },
     "node_modules/smtp-server": {
-      "version": "3.13.6",
-      "resolved": "https://registry.npmjs.org/smtp-server/-/smtp-server-3.13.6.tgz",
-      "integrity": "sha512-dqbSPKn3PCq3Gp5hxBM99u7PET7cQSAWrauhtArJbc+zrf5xNEOjm9+Ob3lySySrRoIEvNE0dz+w2H/xWFJNRw==",
+      "version": "3.16.1",
+      "resolved": "https://registry.npmjs.org/smtp-server/-/smtp-server-3.16.1.tgz",
+      "integrity": "sha512-7oUsW8+7eXOW85lV8/kMCFGGzqxI+JtNJYptR8XDgjgTNL8Bcnj3toAfDZiqg4o3XpJRQhDwKZNbKcPdxEFsTw==",
+      "license": "MIT-0",
       "dependencies": {
         "base32.js": "0.1.0",
         "ipv6-normalize": "1.0.1",
-        "nodemailer": "6.9.15",
+        "nodemailer": "7.0.10",
         "punycode.js": "2.3.1"
       },
       "engines": {
-        "node": ">=12.0.0"
-      }
-    },
-    "node_modules/smtp-server/node_modules/nodemailer": {
-      "version": "6.9.15",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.9.15.tgz",
-      "integrity": "sha512-AHf04ySLC6CIfuRtRiEYtGEXgRfa6INgWGluDhnxTZhHSKvrBu7lc1VVchQ0d8nPc4cFaZoPq8vkyNoZr0TpGQ==",
-      "engines": {
-        "node": ">=6.0.0"
+        "node": ">=18.18.0"
       }
     },
     "node_modules/source-map": {
diff --git a/firestore-send-email/functions/package.json b/firestore-send-email/functions/package.json
index f2eae28d6..89fb2acbf 100644
--- a/firestore-send-email/functions/package.json
+++ b/firestore-send-email/functions/package.json
@@ -28,9 +28,9 @@
     "firebase-admin": "^13.2.0",
     "firebase-functions": "^6.3.2",
     "handlebars": "^4.5.3",
-    "nodemailer": "^6.9.13",
+    "nodemailer": "^7.0.10",
     "rimraf": "^2.6.3",
-    "smtp-server": "^3.13.4",
+    "smtp-server": "^3.16.1",
     "typescript": "^5.7.3",
     "wait-on": "^7.2.0",
     "zod": "^3.24.4"