diff --git a/package-lock.json b/package-lock.json
index 1177cd90..dccb5b55 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "devDependencies": {
         "@apollo/server": "4.10.0",
-        "@azure/functions": "3.5.1",
+        "@azure/functions": "4.3.0",
         "@deepkit/app": "1.0.1-alpha.98",
         "@deepkit/framework": "1.0.1-alpha.99",
         "@deepkit/http": "1.0.1-alpha.98",
@@ -444,26 +444,26 @@
       }
     },
     "node_modules/@azure/functions": {
-      "version": "3.5.1",
-      "resolved": "https://registry.npmjs.org/@azure/functions/-/functions-3.5.1.tgz",
-      "integrity": "sha512-6UltvJiuVpvHSwLcK/Zc6NfUwlkDLOFFx97BHCJzlWNsfiWwzwmTsxJXg4kE/LemKTHxPpfoPE+kOJ8hAdiKFQ==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/@azure/functions/-/functions-4.3.0.tgz",
+      "integrity": "sha512-l7iAuSyyBCOgwkDZmV6UUagwkFoqMOVfq01oJ+rJlFhN7Mb8/kkUAZLffCPUxBy2Wwah741BhJGizwaCP9G2/A==",
       "dev": true,
       "dependencies": {
-        "iconv-lite": "^0.6.3",
+        "cookie": "^0.6.0",
         "long": "^4.0.0",
-        "uuid": "^8.3.0"
+        "undici": "^5.13.0"
+      },
+      "engines": {
+        "node": ">=18.0"
       }
     },
-    "node_modules/@azure/functions/node_modules/iconv-lite": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
-      "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+    "node_modules/@azure/functions/node_modules/cookie": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
+      "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==",
       "dev": true,
-      "dependencies": {
-        "safer-buffer": ">= 2.1.2 < 3.0.0"
-      },
       "engines": {
-        "node": ">=0.10.0"
+        "node": ">= 0.6"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -12731,6 +12731,27 @@
       "dev": true,
       "optional": true
     },
+    "node_modules/undici": {
+      "version": "5.28.3",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-5.28.3.tgz",
+      "integrity": "sha512-3ItfzbrhDlINjaP0duwnNsKpDQk3acHI3gVJ1z4fmwMK31k5G9OVIAMLSIaP6w4FaGkaAkN6zaQO9LUvZ1t7VA==",
+      "dev": true,
+      "dependencies": {
+        "@fastify/busboy": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=14.0"
+      }
+    },
+    "node_modules/undici/node_modules/@fastify/busboy": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@fastify/busboy/-/busboy-2.1.0.tgz",
+      "integrity": "sha512-+KpH+QxZU7O4675t3mnkQKcZZg56u+K/Ct2K+N2AZYNVK8kyeo/bI18tI8aPm3tvNNRyTWfj6s5tnGNlcbQRsA==",
+      "dev": true,
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/universalify": {
       "version": "0.1.2",
       "dev": true,
diff --git a/package.json b/package.json
index 59b689da..9b4438da 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
   "homepage": "https://github.com/H4ad/serverless-adapter#readme",
   "devDependencies": {
     "@apollo/server": "4.10.0",
-    "@azure/functions": "3.5.1",
+    "@azure/functions": "4.3.0",
     "@deepkit/app": "1.0.1-alpha.98",
     "@deepkit/framework": "1.0.1-alpha.99",
     "@deepkit/http": "1.0.1-alpha.98",