diff --git a/package-lock.json b/package-lock.json
index a6c194e..a832a69 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
       "devDependencies": {
         "@biomejs/biome": "^1.9.4",
         "@types/node": "^22.10.2",
-        "tsx": "^4.19.2",
+        "tsx": "^4.21.0",
         "typescript": "^5.7.2",
         "vitest": "^2.1.8"
       },
diff --git a/package.json b/package.json
index 947b004..b9959cb 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
   "devDependencies": {
     "@biomejs/biome": "^1.9.4",
     "@types/node": "^22.10.2",
-    "tsx": "^4.19.2",
+    "tsx": "^4.21.0",
     "typescript": "^5.7.2",
     "vitest": "^2.1.8"
   }