diff --git a/testdata/package-lock.json b/testdata/package-lock.json
index b93c960..8b0788b 100644
--- a/testdata/package-lock.json
+++ b/testdata/package-lock.json
@@ -12,7 +12,7 @@
         "@types/node": "^20.10.5"
       },
       "devDependencies": {
-        "typescript": "^5.3.3"
+        "typescript": "^5.4.4"
       }
     },
     "node_modules/@types/node": {
@@ -24,9 +24,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
-      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+      "version": "5.4.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.4.tgz",
+      "integrity": "sha512-dGE2Vv8cpVvw28v8HCPqyb08EzbBURxDpuhJvTrusShUfGnhHBafDsLdS1EhhxyL6BJQE+2cT3dDPAv+MQ6oLw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -52,9 +52,9 @@
       }
     },
     "typescript": {
-      "version": "5.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
-      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+      "version": "5.4.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.4.tgz",
+      "integrity": "sha512-dGE2Vv8cpVvw28v8HCPqyb08EzbBURxDpuhJvTrusShUfGnhHBafDsLdS1EhhxyL6BJQE+2cT3dDPAv+MQ6oLw==",
       "dev": true
     },
     "undici-types": {
diff --git a/testdata/package.json b/testdata/package.json
index babad57..ad768ff 100644
--- a/testdata/package.json
+++ b/testdata/package.json
@@ -9,7 +9,7 @@
   "author": "Matteo Agnoletto",
   "license": "MIT",
   "devDependencies": {
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.4"
   },
   "dependencies": {
     "@types/node": "^20.10.5"