diff --git a/functions/package-lock.json b/functions/package-lock.json
index 7b5b79f6..a4525a93 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -20,7 +20,7 @@
         "@stryker-mutator/jest-runner": "8.5.0",
         "@stryker-mutator/typescript-checker": "8.5.0",
         "@types/jest": "29.5.13",
-        "@types/node": "18.19.50",
+        "@types/node": "20.16.5",
         "@typescript-eslint/eslint-plugin": "7.18.0",
         "@typescript-eslint/parser": "7.18.0",
         "eslint": "8.57.0",
@@ -36,7 +36,7 @@
         "typescript": "5.6.2"
       },
       "engines": {
-        "node": "18"
+        "node": "20"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -3804,11 +3804,11 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "18.19.50",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.19.50.tgz",
-      "integrity": "sha512-xonK+NRrMBRtkL1hVCc3G+uXtjh1Al4opBLjqVmipe5ZAaBYWW6cNAiBVZ1BvmkBhep698rP3UM3aRAdSALuhg==",
+      "version": "20.16.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.16.5.tgz",
+      "integrity": "sha512-VwYCweNo3ERajwy0IUlqqcyZ8/A7Zwa9ZP3MnENWcB11AejO+tLy3pu850goUW2FC/IJMdZUfKpX/yxL1gymCA==",
       "dependencies": {
-        "undici-types": "~5.26.4"
+        "undici-types": "~6.19.2"
       }
     },
     "node_modules/@types/pino": {
@@ -15449,9 +15449,9 @@
       "dev": true
     },
     "node_modules/undici-types": {
-      "version": "5.26.5",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+      "version": "6.19.8",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw=="
     },
     "node_modules/unicode-emoji-modifier-base": {
       "version": "1.0.0",
@@ -19186,11 +19186,11 @@
       }
     },
     "@types/node": {
-      "version": "18.19.50",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.19.50.tgz",
-      "integrity": "sha512-xonK+NRrMBRtkL1hVCc3G+uXtjh1Al4opBLjqVmipe5ZAaBYWW6cNAiBVZ1BvmkBhep698rP3UM3aRAdSALuhg==",
+      "version": "20.16.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.16.5.tgz",
+      "integrity": "sha512-VwYCweNo3ERajwy0IUlqqcyZ8/A7Zwa9ZP3MnENWcB11AejO+tLy3pu850goUW2FC/IJMdZUfKpX/yxL1gymCA==",
       "requires": {
-        "undici-types": "~5.26.4"
+        "undici-types": "~6.19.2"
       }
     },
     "@types/pino": {
@@ -28139,9 +28139,9 @@
       "dev": true
     },
     "undici-types": {
-      "version": "5.26.5",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+      "version": "6.19.8",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw=="
     },
     "unicode-emoji-modifier-base": {
       "version": "1.0.0",
diff --git a/functions/package.json b/functions/package.json
index a9dae7ea..328a35b2 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -13,7 +13,7 @@
   ],
   "main": "lib/index.js",
   "engines": {
-    "node": "18"
+    "node": "20"
   },
   "scripts": {
     "build": "tsc -p tsconfig.build.json",
@@ -44,7 +44,7 @@
     "@stryker-mutator/jest-runner": "8.5.0",
     "@stryker-mutator/typescript-checker": "8.5.0",
     "@types/jest": "29.5.13",
-    "@types/node": "18.19.50",
+    "@types/node": "20.16.5",
     "@typescript-eslint/eslint-plugin": "7.18.0",
     "@typescript-eslint/parser": "7.18.0",
     "eslint": "8.57.0",