diff --git a/packages/react-cookie-demo/package.json b/packages/react-cookie-demo/package.json
index bf293af4..fbcd877d 100644
--- a/packages/react-cookie-demo/package.json
+++ b/packages/react-cookie-demo/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@babel/register": "^7.24.6",
-    "express": "^4.20.0",
+    "express": "^4.21.0",
     "prop-types": "^15.8.1",
     "react": "^18.3.1",
     "react-cookie": "^7.0.0",
diff --git a/yarn.lock b/yarn.lock
index 0bf3639b..ae90df58 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4310,9 +4310,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"express@npm:^4.20.0":
-  version: 4.20.0
-  resolution: "express@npm:4.20.0"
+"express@npm:^4.21.0":
+  version: 4.21.0
+  resolution: "express@npm:4.21.0"
   dependencies:
     accepts: "npm:~1.3.8"
     array-flatten: "npm:1.1.1"
@@ -4326,7 +4326,7 @@ __metadata:
     encodeurl: "npm:~2.0.0"
     escape-html: "npm:~1.0.3"
     etag: "npm:~1.8.1"
-    finalhandler: "npm:1.2.0"
+    finalhandler: "npm:1.3.1"
     fresh: "npm:0.5.2"
     http-errors: "npm:2.0.0"
     merge-descriptors: "npm:1.0.3"
@@ -4335,17 +4335,17 @@ __metadata:
     parseurl: "npm:~1.3.3"
     path-to-regexp: "npm:0.1.10"
     proxy-addr: "npm:~2.0.7"
-    qs: "npm:6.11.0"
+    qs: "npm:6.13.0"
     range-parser: "npm:~1.2.1"
     safe-buffer: "npm:5.2.1"
     send: "npm:0.19.0"
-    serve-static: "npm:1.16.0"
+    serve-static: "npm:1.16.2"
     setprototypeof: "npm:1.2.0"
     statuses: "npm:2.0.1"
     type-is: "npm:~1.6.18"
     utils-merge: "npm:1.0.1"
     vary: "npm:~1.1.2"
-  checksum: 10c0/626e440e9feffa3f82ebce5e7dc0ad7a74fa96079994f30048cce450f4855a258abbcabf021f691aeb72154867f0d28440a8498c62888805faf667a829fb65aa
+  checksum: 10c0/4cf7ca328f3fdeb720f30ccb2ea7708bfa7d345f9cc460b64a82bf1b2c91e5b5852ba15a9a11b2a165d6089acf83457fc477dc904d59cd71ed34c7a91762c6cc
   languageName: node
   linkType: hard
 
@@ -4407,18 +4407,18 @@ __metadata:
   languageName: node
   linkType: hard
 
-"finalhandler@npm:1.2.0":
-  version: 1.2.0
-  resolution: "finalhandler@npm:1.2.0"
+"finalhandler@npm:1.3.1":
+  version: 1.3.1
+  resolution: "finalhandler@npm:1.3.1"
   dependencies:
     debug: "npm:2.6.9"
-    encodeurl: "npm:~1.0.2"
+    encodeurl: "npm:~2.0.0"
     escape-html: "npm:~1.0.3"
     on-finished: "npm:2.4.1"
     parseurl: "npm:~1.3.3"
     statuses: "npm:2.0.1"
     unpipe: "npm:~1.0.0"
-  checksum: 10c0/64b7e5ff2ad1fcb14931cd012651631b721ce657da24aedb5650ddde9378bf8e95daa451da43398123f5de161a81e79ff5affe4f9f2a6d2df4a813d6d3e254b7
+  checksum: 10c0/d38035831865a49b5610206a3a9a9aae4e8523cbbcd01175d0480ffbf1278c47f11d89be3ca7f617ae6d94f29cf797546a4619cd84dd109009ef33f12f69019f
   languageName: node
   linkType: hard
 
@@ -6834,15 +6834,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"qs@npm:6.11.0":
-  version: 6.11.0
-  resolution: "qs@npm:6.11.0"
-  dependencies:
-    side-channel: "npm:^1.0.4"
-  checksum: 10c0/4e4875e4d7c7c31c233d07a448e7e4650f456178b9dd3766b7cfa13158fdb24ecb8c4f059fa91e820dc6ab9f2d243721d071c9c0378892dcdad86e9e9a27c68f
-  languageName: node
-  linkType: hard
-
 "qs@npm:6.13.0":
   version: 6.13.0
   resolution: "qs@npm:6.13.0"
@@ -6901,7 +6892,7 @@ __metadata:
     "@types/testing-library__dom": "npm:^7.5.0"
     babel-jest: "npm:^29.7.0"
     babel-loader: "npm:^9.1.3"
-    express: "npm:^4.20.0"
+    express: "npm:^4.21.0"
     jest: "npm:^29.7.0"
     prop-types: "npm:^15.8.1"
     react: "npm:^18.3.1"
@@ -7391,27 +7382,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"send@npm:0.18.0":
-  version: 0.18.0
-  resolution: "send@npm:0.18.0"
-  dependencies:
-    debug: "npm:2.6.9"
-    depd: "npm:2.0.0"
-    destroy: "npm:1.2.0"
-    encodeurl: "npm:~1.0.2"
-    escape-html: "npm:~1.0.3"
-    etag: "npm:~1.8.1"
-    fresh: "npm:0.5.2"
-    http-errors: "npm:2.0.0"
-    mime: "npm:1.6.0"
-    ms: "npm:2.1.3"
-    on-finished: "npm:2.4.1"
-    range-parser: "npm:~1.2.1"
-    statuses: "npm:2.0.1"
-  checksum: 10c0/0eb134d6a51fc13bbcb976a1f4214ea1e33f242fae046efc311e80aff66c7a43603e26a79d9d06670283a13000e51be6e0a2cb80ff0942eaf9f1cd30b7ae736a
-  languageName: node
-  linkType: hard
-
 "send@npm:0.19.0":
   version: 0.19.0
   resolution: "send@npm:0.19.0"
@@ -7442,15 +7412,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"serve-static@npm:1.16.0":
-  version: 1.16.0
-  resolution: "serve-static@npm:1.16.0"
+"serve-static@npm:1.16.2":
+  version: 1.16.2
+  resolution: "serve-static@npm:1.16.2"
   dependencies:
-    encodeurl: "npm:~1.0.2"
+    encodeurl: "npm:~2.0.0"
     escape-html: "npm:~1.0.3"
     parseurl: "npm:~1.3.3"
-    send: "npm:0.18.0"
-  checksum: 10c0/d7a5beca08cc55f92998d8b87c111dd842d642404231c90c11f504f9650935da4599c13256747b0a988442a59851343271fe8e1946e03e92cd79c447b5f3ae01
+    send: "npm:0.19.0"
+  checksum: 10c0/528fff6f5e12d0c5a391229ad893910709bc51b5705962b09404a1d813857578149b8815f35d3ee5752f44cd378d0f31669d4b1d7e2d11f41e08283d5134bd1f
   languageName: node
   linkType: hard
 
@@ -7500,7 +7470,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"side-channel@npm:^1.0.4, side-channel@npm:^1.0.6":
+"side-channel@npm:^1.0.6":
   version: 1.0.6
   resolution: "side-channel@npm:1.0.6"
   dependencies: