diff --git a/examples/app/package.json b/examples/app/package.json
index 78c863eaba..89e28662a6 100644
--- a/examples/app/package.json
+++ b/examples/app/package.json
@@ -33,7 +33,7 @@
     "aws-cdk-lib": "^2.212.0",
     "constructs": "^10.4.2",
     "source-map-support": "^0.5.21",
-    "tsx": "^4.20.4",
+    "tsx": "^4.20.5",
     "typescript": "^5.9.2",
     "vitest": "^3.0.5"
   },
diff --git a/layers/package.json b/layers/package.json
index eb6d811e22..e3de9c43e9 100644
--- a/layers/package.json
+++ b/layers/package.json
@@ -43,6 +43,6 @@
     "aws-cdk": "^2.1026.0",
     "aws-cdk-lib": "^2.212.0",
     "esbuild": "^0.25.9",
-    "tsx": "^4.20.4"
+    "tsx": "^4.20.5"
   }
 }
diff --git a/package-lock.json b/package-lock.json
index 40d34b320b..744f9aaac5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -72,7 +72,7 @@
         "aws-cdk-lib": "^2.212.0",
         "constructs": "^10.4.2",
         "source-map-support": "^0.5.21",
-        "tsx": "^4.20.4",
+        "tsx": "^4.20.5",
         "typescript": "^5.9.2",
         "vitest": "^3.0.5"
       }
@@ -137,7 +137,7 @@
         "aws-cdk": "^2.1026.0",
         "aws-cdk-lib": "^2.212.0",
         "esbuild": "^0.25.9",
-        "tsx": "^4.20.4"
+        "tsx": "^4.20.5"
       },
       "bin": {
         "layer": "bin/layers.js"
@@ -10038,9 +10038,9 @@
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="
     },
     "node_modules/tsx": {
-      "version": "4.20.4",
-      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.20.4.tgz",
-      "integrity": "sha512-yyxBKfORQ7LuRt/BQKBXrpcq59ZvSW0XxwfjAt3w2/8PmdxaFzijtMhTawprSHhpzeM5BgU2hXHG3lklIERZXg==",
+      "version": "4.20.5",
+      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.20.5.tgz",
+      "integrity": "sha512-+wKjMNU9w/EaQayHXb7WA7ZaHY6hN8WgfvHNQ3t1PnU91/7O8TcTnIhCDYTZwnt8JsO9IBqZ30Ln1r7pPF52Aw==",
       "license": "MIT",
       "dependencies": {
         "esbuild": "~0.25.0",