diff --git a/package-lock.json b/package-lock.json
index 89ec70aa..117c2777 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "shx": "^0.4.0",
         "sinon": "^20.0.0",
         "ts-node": "^10.9.2",
-        "tsx": "^4.19.4",
+        "tsx": "^4.20.3",
         "typescript": "^5.8.3"
       },
       "engines": {
@@ -13022,9 +13022,9 @@
       "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==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 452823dc..7155c3ef 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "shx": "^0.4.0",
     "sinon": "^20.0.0",
     "ts-node": "^10.9.2",
-    "tsx": "^4.19.4",
+    "tsx": "^4.20.3",
     "typescript": "^5.8.3"
   },
   "engines": {