diff --git a/firestore-send-email/functions/package-lock.json b/firestore-send-email/functions/package-lock.json
index 94e91b416..55475d74b 100644
--- a/firestore-send-email/functions/package-lock.json
+++ b/firestore-send-email/functions/package-lock.json
@@ -14,7 +14,7 @@
         "firebase-admin": "^13.2.0",
         "firebase-functions": "^6.3.2",
         "handlebars": "^4.5.3",
-        "nodemailer": "^6.9.13",
+        "nodemailer": "^7.0.7",
         "rimraf": "^2.6.3",
         "smtp-server": "^3.13.4",
         "typescript": "^5.7.3",
@@ -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": "7.0.7",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-7.0.7.tgz",
+      "integrity": "sha512-jGOaRznodf62TVzdyhKt/f1Q/c3kYynk8629sgJHpRzGZj01ezbgMMWJSAjHADcwTKxco3B68/R+KHJY2T5BaA==",
+      "license": "MIT-0",
       "engines": {
         "node": ">=6.0.0"
       }
diff --git a/firestore-send-email/functions/package.json b/firestore-send-email/functions/package.json
index f2eae28d6..0950783eb 100644
--- a/firestore-send-email/functions/package.json
+++ b/firestore-send-email/functions/package.json
@@ -28,7 +28,7 @@
     "firebase-admin": "^13.2.0",
     "firebase-functions": "^6.3.2",
     "handlebars": "^4.5.3",
-    "nodemailer": "^6.9.13",
+    "nodemailer": "^7.0.7",
     "rimraf": "^2.6.3",
     "smtp-server": "^3.13.4",
     "typescript": "^5.7.3",