diff --git a/nodejs-mongodb-blog/package-lock.json b/nodejs-mongodb-blog/package-lock.json
index 5f38d83..5dba3ef 100644
--- a/nodejs-mongodb-blog/package-lock.json
+++ b/nodejs-mongodb-blog/package-lock.json
@@ -11,25 +11,25 @@
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         "express-handlebars": "^6.0.6",
         "express-session": "^1.17.3",
+        "handlebars": "^4.7.7",
         "handlebars-paginate": "^0.1.0",
+        "handlebars.moment": "^1.0.4",
         "helmet": "^6.0.1",
         "mongoose": "^6.7.5",
         "mongoose-role": "^3.0.5",
         "morgan": "^1.10.0",
         "multer": "^1.4.5-lts.1",
-        "nodemailer": "^6.8.0",
+        "nodemailer": "^6.9.13",
         "passport": "^0.6.0",
         "passport-local": "^1.0.0",
         "validator": "^13.7.0"
       },
       "devDependencies": {
-        "dotenv": "^16.0.3",
-        "handlebars": "^4.7.7",
-        "handlebars.moment": "^1.0.4",
         "mocha": "^10.2.0",
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@@ -2417,7 +2417,6 @@
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-      "dev": true,
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@@ -3019,7 +3018,6 @@
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-      "dev": true,
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         "lodash": ">1.0.0",
@@ -3664,8 +3662,7 @@
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-      "dev": true
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
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@@ -4282,7 +4279,6 @@
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-      "dev": true,
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@@ -4626,9 +4622,10 @@
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     "node_modules/nodemailer": {
-      "version": "6.8.0",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.8.0.tgz",
-      "integrity": "sha512-EjYvSmHzekz6VNkNd12aUqAco+bOkRe3Of5jVhltqKhEsjw/y0PYPJfp83+s9Wzh1dspYAkUW/YNQ350NATbSQ==",
+      "version": "6.9.13",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.9.13.tgz",
+      "integrity": "sha512-7o38Yogx6krdoBf3jCAqnIN4oSQFx+fMa0I7dK1D+me9kBxx12D+/33wSb+fhOCtIxvYJ+4x4IMEhmhCKfAiOA==",
+      "license": "MIT-0",
       "engines": {
         "node": ">=6.0.0"
       }
@@ -8519,8 +8516,7 @@
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       "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.3.tgz",
-      "integrity": "sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ==",
-      "dev": true
+      "integrity": "sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ=="
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@@ -8973,7 +8969,6 @@
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-      "dev": true,
       "requires": {
         "handlebars": ">2.0.0",
         "lodash": ">1.0.0",
@@ -9446,8 +9441,7 @@
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       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
-      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
-      "dev": true
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "log-symbols": {
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@@ -9906,8 +9900,7 @@
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       "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
-      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==",
-      "dev": true
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w=="
     },
     "mongodb": {
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@@ -10166,9 +10159,9 @@
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     "nodemailer": {
-      "version": "6.8.0",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.8.0.tgz",
-      "integrity": "sha512-EjYvSmHzekz6VNkNd12aUqAco+bOkRe3Of5jVhltqKhEsjw/y0PYPJfp83+s9Wzh1dspYAkUW/YNQ350NATbSQ=="
+      "version": "6.9.13",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.9.13.tgz",
+      "integrity": "sha512-7o38Yogx6krdoBf3jCAqnIN4oSQFx+fMa0I7dK1D+me9kBxx12D+/33wSb+fhOCtIxvYJ+4x4IMEhmhCKfAiOA=="
     },
     "nopt": {
       "version": "5.0.0",
diff --git a/nodejs-mongodb-blog/package.json b/nodejs-mongodb-blog/package.json
index c55a0bc..cec1f15 100644
--- a/nodejs-mongodb-blog/package.json
+++ b/nodejs-mongodb-blog/package.json
@@ -26,7 +26,7 @@
     "mongoose-role": "^3.0.5",
     "morgan": "^1.10.0",
     "multer": "^1.4.5-lts.1",
-    "nodemailer": "^6.8.0",
+    "nodemailer": "^6.9.13",
     "passport": "^0.6.0",
     "passport-local": "^1.0.0",
     "validator": "^13.7.0"