diff --git a/Sample-01/package-lock.json b/Sample-01/package-lock.json
index 6fa59e7..4844d83 100644
--- a/Sample-01/package-lock.json
+++ b/Sample-01/package-lock.json
@@ -14,7 +14,7 @@
         "@fortawesome/react-fontawesome": "^0.2.0",
         "concurrently": "^8.2.0",
         "cors": "^2.8.5",
-        "dotenv": "^16.0.3",
+        "dotenv": "^16.4.0",
         "express": "^4.18.2",
         "express-jwt": "^8.0",
         "helmet": "^7.1.0",
@@ -3899,9 +3899,9 @@
       }
     },
     "node_modules/dotenv": {
-      "version": "16.3.1",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.3.1.tgz",
-      "integrity": "sha512-IPzF4w4/Rd94bA9imS68tZBaYyBWSCE47V1RGuMrB94iyTOIEwRmVL2x/4An+6mETpLrKJ5hQkB8W4kFAadeIQ==",
+      "version": "16.4.0",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.0.tgz",
+      "integrity": "sha512-WvImr5kpN5NGNn7KaDjJnLTh5rDVLZiDf/YLA8T1ZEZEBZNEDOE+mnkS0PVjPax8ZxBP5zC5SLMB3/9VV5de9g==",
       "engines": {
         "node": ">=12"
       },
diff --git a/Sample-01/package.json b/Sample-01/package.json
index 9be2f75..ff7a08b 100644
--- a/Sample-01/package.json
+++ b/Sample-01/package.json
@@ -22,7 +22,7 @@
     "@fortawesome/react-fontawesome": "^0.2.0",
     "concurrently": "^8.2.0",
     "cors": "^2.8.5",
-    "dotenv": "^16.0.3",
+    "dotenv": "^16.4.0",
     "express": "^4.18.2",
     "express-jwt": "^8.0",
     "helmet": "^7.1.0",