diff --git a/package-lock.json b/package-lock.json
index f732a98..6ca2d00 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "tree2dir",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "tree2dir",
-      "version": "1.2.0",
+      "version": "1.2.1",
       "license": "MIT",
       "bin": {
         "tree2dir": "dist/cli.cjs"
@@ -24,7 +24,7 @@
         "ts-jest": "^29.1.1",
         "ts-node": "^10.9.2",
         "tsup": "^8.0.1",
-        "typescript": "^5.3.2"
+        "typescript": "^5.9.2"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -7381,10 +7381,11 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.3.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.2.tgz",
-      "integrity": "sha512-6l+RyNy7oAHDfxC4FzSJcz9vnjTKxrLpDG5M2Vu4SHRVNg6xzqZp6LYSR9zjqQTu8DU/f5xwxUdADOkbrIX2gQ==",
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "dev": true,
+      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index 633e398..ff6a613 100644
--- a/package.json
+++ b/package.json
@@ -65,6 +65,6 @@
     "ts-jest": "^29.1.1",
     "ts-node": "^10.9.2",
     "tsup": "^8.0.1",
-    "typescript": "^5.3.2"
+    "typescript": "^5.9.2"
   }
 }