diff --git a/GUC-Library/Backend/package-lock.json b/GUC-Library/Backend/package-lock.json
index 98651e6..971b2b2 100644
--- a/GUC-Library/Backend/package-lock.json
+++ b/GUC-Library/Backend/package-lock.json
@@ -1000,9 +1000,9 @@
       "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ=="
     },
     "nodemailer": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.1.tgz",
-      "integrity": "sha512-mSQAzMim8XIC1DemK9TifDTIgASfoJEllG5aC1mEtZeZ+FQyrSOdGBRth6JRA1ERzHQCET3QHVSd9Kc6mh356g=="
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
+      "integrity": "sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ=="
     },
     "nodemon": {
       "version": "2.0.1",
diff --git a/GUC-Library/Backend/package.json b/GUC-Library/Backend/package.json
index 194a647..bb311b3 100644
--- a/GUC-Library/Backend/package.json
+++ b/GUC-Library/Backend/package.json
@@ -15,7 +15,7 @@
     "express": "^4.17.1",
     "mongoose": "^5.7.13",
     "mongoose-type-email": "^1.0.11",
-    "nodemailer": "^6.4.1",
+    "nodemailer": "^6.4.16",
     "passport": "^0.4.0",
     "passport-google-oauth": "^2.0.0",
     "xoauth2": "^1.2.0"