diff --git a/package-lock.json b/package-lock.json
index 0a156292..4612a51c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,7 +35,7 @@
         "nodemon": "^3.1.10",
         "prettier": "^3.6.2",
         "safe-marked": "16.0.0",
-        "tsx": "^4.19.3",
+        "tsx": "^4.20.3",
         "typescript": "^5.8.3",
         "unified": "^11.0.5",
         "vfile": "^6.0.3"
@@ -14022,9 +14022,9 @@
       "license": "0BSD"
     },
     "node_modules/tsx": {
-      "version": "4.19.4",
-      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.19.4.tgz",
-      "integrity": "sha512-gK5GVzDkJK1SI1zwHf32Mqxf2tSJkNx+eYcNly5+nHvWqXUJYUkWBQtKauoESz3ymezAI++ZwT855x5p5eop+Q==",
+      "version": "4.20.3",
+      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.20.3.tgz",
+      "integrity": "sha512-qjbnuR9Tr+FJOMBqJCW5ehvIo/buZq7vH7qD7JziU98h6l3qGy0a/yPFjwO+y0/T7GFpNgNAvEcPPVfyT8rrPQ==",
       "devOptional": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index b97943b4..918465b7 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "nodemon": "^3.1.10",
     "prettier": "^3.6.2",
     "safe-marked": "16.0.0",
-    "tsx": "^4.19.3",
+    "tsx": "^4.20.3",
     "typescript": "^5.8.3",
     "unified": "^11.0.5",
     "vfile": "^6.0.3"