diff --git a/package-lock.json b/package-lock.json
index 44bf2b65..dc8df93c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -47,7 +47,7 @@
         "clsx": "^1.2.1",
         "eventemitter3": "^5.0.1",
         "events": "^3.3.0",
-        "express": "4.20.0",
+        "express": "4.21.0",
         "express-validator": "^7.0.1",
         "flagsmith": "^3.21.0",
         "flagsmith-nodejs": "^3.2.0",
@@ -14066,9 +14066,9 @@
       }
     },
     "node_modules/express": {
-      "version": "4.20.0",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.20.0.tgz",
-      "integrity": "sha512-pLdae7I6QqShF5PnNTCVn4hI91Dx0Grkn2+IAsMTgMIKuQVte2dN9PeGSSAME2FR8anOhVA62QDIUaWVfEXVLw==",
+      "version": "4.21.0",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.0.tgz",
+      "integrity": "sha512-VqcNGcj/Id5ZT1LZ/cfihi3ttTn+NJmkli2eZADigjq29qTlWi/hAQ43t/VLPq8+UX06FCEx3ByOYet6ZFblng==",
       "license": "MIT",
       "dependencies": {
         "accepts": "~1.3.8",
@@ -14083,7 +14083,7 @@
         "encodeurl": "~2.0.0",
         "escape-html": "~1.0.3",
         "etag": "~1.8.1",
-        "finalhandler": "1.2.0",
+        "finalhandler": "1.3.1",
         "fresh": "0.5.2",
         "http-errors": "2.0.0",
         "merge-descriptors": "1.0.3",
@@ -14092,11 +14092,11 @@
         "parseurl": "~1.3.3",
         "path-to-regexp": "0.1.10",
         "proxy-addr": "~2.0.7",
-        "qs": "6.11.0",
+        "qs": "6.13.0",
         "range-parser": "~1.2.1",
         "safe-buffer": "5.2.1",
         "send": "0.19.0",
-        "serve-static": "1.16.0",
+        "serve-static": "1.16.2",
         "setprototypeof": "1.2.0",
         "statuses": "2.0.1",
         "type-is": "~1.6.18",
@@ -14144,21 +14144,6 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
-    "node_modules/express/node_modules/body-parser/node_modules/qs": {
-      "version": "6.13.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.13.0.tgz",
-      "integrity": "sha512-+38qI9SOr8tfZ4QmJNplMUxqjbe7LKvvZgWdExBOmd+egZTtjLB67Gu0HRX3u/XOq7UU2Nx6nsjvS16Z9uwfpg==",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "side-channel": "^1.0.6"
-      },
-      "engines": {
-        "node": ">=0.6"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/express/node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -14177,6 +14162,24 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/express/node_modules/finalhandler": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.3.1.tgz",
+      "integrity": "sha512-6BN9trH7bp3qvnrRyzsBz+g3lZxTNZTbVO2EV1CS0WIcDbawYVdYvGflME/9QP0h0pYlCDBCTjYa9nZzMDpyxQ==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "2.6.9",
+        "encodeurl": "~2.0.0",
+        "escape-html": "~1.0.3",
+        "on-finished": "2.4.1",
+        "parseurl": "~1.3.3",
+        "statuses": "2.0.1",
+        "unpipe": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/express/node_modules/merge-descriptors": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.3.tgz",
@@ -14198,6 +14201,21 @@
       "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w==",
       "license": "MIT"
     },
+    "node_modules/express/node_modules/qs": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.13.0.tgz",
+      "integrity": "sha512-+38qI9SOr8tfZ4QmJNplMUxqjbe7LKvvZgWdExBOmd+egZTtjLB67Gu0HRX3u/XOq7UU2Nx6nsjvS16Z9uwfpg==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "side-channel": "^1.0.6"
+      },
+      "engines": {
+        "node": ">=0.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/express/node_modules/send": {
       "version": "0.19.0",
       "resolved": "https://registry.npmjs.org/send/-/send-0.19.0.tgz",
@@ -14238,54 +14256,15 @@
       "license": "MIT"
     },
     "node_modules/express/node_modules/serve-static": {
-      "version": "1.16.0",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.0.tgz",
-      "integrity": "sha512-pDLK8zwl2eKaYrs8mrPZBJua4hMplRWJ1tIFksVC3FtBEBnl8dxgeHtsaMS8DhS9i4fLObaon6ABoc4/hQGdPA==",
+      "version": "1.16.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",
+      "integrity": "sha512-VqpjJZKadQB/PEbEwvFdO43Ax5dFBZ2UECszz8bQ7pi7wt//PWe1P6MN7eCnjsatYtBT6EuiClbjSWP2WrIoTw==",
       "license": "MIT",
       "dependencies": {
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
         "escape-html": "~1.0.3",
         "parseurl": "~1.3.3",
-        "send": "0.18.0"
-      },
-      "engines": {
-        "node": ">= 0.8.0"
-      }
-    },
-    "node_modules/express/node_modules/serve-static/node_modules/encodeurl": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
-    "node_modules/express/node_modules/serve-static/node_modules/ms": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
-      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
-      "license": "MIT"
-    },
-    "node_modules/express/node_modules/serve-static/node_modules/send": {
-      "version": "0.18.0",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
-      "integrity": "sha512-qqWzuOjSFOuqPjFe4NOsMLafToQQwBSOEpS+FwEt3A2V3vKubTquT3vmLTQpFgMXp8AlFWFuP1qKaJZOtPpVXg==",
-      "license": "MIT",
-      "dependencies": {
-        "debug": "2.6.9",
-        "depd": "2.0.0",
-        "destroy": "1.2.0",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
-        "fresh": "0.5.2",
-        "http-errors": "2.0.0",
-        "mime": "1.6.0",
-        "ms": "2.1.3",
-        "on-finished": "2.4.1",
-        "range-parser": "~1.2.1",
-        "statuses": "2.0.1"
+        "send": "0.19.0"
       },
       "engines": {
         "node": ">= 0.8.0"
diff --git a/package.json b/package.json
index d2aa3b46..0d3762b1 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "clsx": "^1.2.1",
     "eventemitter3": "^5.0.1",
     "events": "^3.3.0",
-    "express": "4.20.0",
+    "express": "4.21.0",
     "express-validator": "^7.0.1",
     "flagsmith": "^3.21.0",
     "flagsmith-nodejs": "^3.2.0",