diff --git a/deploying-simple-hello-express-app/package-lock.json b/deploying-simple-hello-express-app/package-lock.json
index 09b32b4..0e6168f 100644
--- a/deploying-simple-hello-express-app/package-lock.json
+++ b/deploying-simple-hello-express-app/package-lock.json
@@ -139,9 +139,9 @@
       "integrity": "sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg=="
     },
     "express": {
-      "version": "4.21.1",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.21.1.tgz",
-      "integrity": "sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==",
+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.2.tgz",
+      "integrity": "sha512-28HqgMZAmih1Czt9ny7qr6ek2qddF4FclbMzwhCREB6OFfH+rXAnuNCwo1/wFvrtbgsQDb4kSbX9de9lFbrXnA==",
       "requires": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
@@ -162,7 +162,7 @@
         "methods": "~1.1.2",
         "on-finished": "2.4.1",
         "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.10",
+        "path-to-regexp": "0.1.12",
         "proxy-addr": "~2.0.7",
         "qs": "6.13.0",
         "range-parser": "~1.2.1",
@@ -218,12 +218,9 @@
       }
     },
     "gopd": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.0.1.tgz",
-      "integrity": "sha512-d65bNlIadxvpb/A2abVdlqKqV563juRnZ1Wtk6s1sIR8uNsXR70xqIzVqxVf1eTqDunwT2MkczEeaezCKTZhwA==",
-      "requires": {
-        "get-intrinsic": "^1.1.3"
-      }
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
+      "integrity": "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg=="
     },
     "has-property-descriptors": {
       "version": "1.0.2",
@@ -234,14 +231,17 @@
       }
     },
     "has-proto": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/has-proto/-/has-proto-1.0.3.tgz",
-      "integrity": "sha512-SJ1amZAJUiZS+PhsVLf5tGydlaVB8EdFpaSO4gmiUKUOxk8qzn5AIy4ZeJUmh22znIdk/uMAUT2pl3FxzVUH+Q=="
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/has-proto/-/has-proto-1.1.0.tgz",
+      "integrity": "sha512-QLdzI9IIO1Jg7f9GT1gXpPpXArAn6cS31R1eEZqz08Gc+uQ8/XiqHWt17Fiw+2p6oTTIq5GXEpQkAlA88YRl/Q==",
+      "requires": {
+        "call-bind": "^1.0.7"
+      }
     },
     "has-symbols": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.3.tgz",
-      "integrity": "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A=="
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
+      "integrity": "sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ=="
     },
     "hasown": {
       "version": "2.0.2",
@@ -325,9 +325,9 @@
       "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg=="
     },
     "object-inspect": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.2.tgz",
-      "integrity": "sha512-IRZSRuzJiynemAXPYtPe5BoI/RESNYR7TYm50MC5Mqbd3Jmw5y790sErYw3V6SryFJD64b74qQQs9wn5Bg/k3g=="
+      "version": "1.13.3",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.3.tgz",
+      "integrity": "sha512-kDCGIbxkDSXE3euJZZXzc6to7fCrKHNI/hSRQnRuQ+BWjFNzZwiFF8fj/6o2t2G9/jTj8PSIYTfCLelLZEeRpA=="
     },
     "on-finished": {
       "version": "2.4.1",
@@ -343,9 +343,9 @@
       "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
     },
     "path-to-regexp": {
-      "version": "0.1.10",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
-      "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w=="
+      "version": "0.1.12",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.12.tgz",
+      "integrity": "sha512-RA1GjUVMnvYFxuqovrEqZoxxW5NUZqbwKtYz/Tt7nXerk0LbLblQmrsgdeOxV5SFHf0UDggjS/bSeOZwt1pmEQ=="
     },
     "proxy-addr": {
       "version": "2.0.7",
diff --git a/deploying-simple-hello-express-app/package.json b/deploying-simple-hello-express-app/package.json
index b1aa87a..845e640 100644
--- a/deploying-simple-hello-express-app/package.json
+++ b/deploying-simple-hello-express-app/package.json
@@ -9,6 +9,6 @@
   "author": "jxlwqq",
   "license": "ISC",
   "dependencies": {
-    "express": "^4.21.1"
+    "express": "^4.21.2"
   }
 }