diff --git a/examples/app/package.json b/examples/app/package.json
index 093b80c8a..548050914 100644
--- a/examples/app/package.json
+++ b/examples/app/package.json
@@ -33,7 +33,7 @@
     "aws-cdk-lib": "^2.200.2",
     "constructs": "^10.4.2",
     "source-map-support": "^0.5.21",
-    "tsx": "^4.20.2",
+    "tsx": "^4.20.3",
     "typescript": "^5.8.3",
     "vitest": "^3.0.5"
   },
diff --git a/layers/package.json b/layers/package.json
index 7c46ee991..2bf22ffed 100644
--- a/layers/package.json
+++ b/layers/package.json
@@ -44,6 +44,6 @@
     "aws-cdk": "^2.1018.1",
     "aws-cdk-lib": "^2.200.2",
     "esbuild": "^0.25.5",
-    "tsx": "^4.20.2"
+    "tsx": "^4.20.3"
   }
 }
diff --git a/package-lock.json b/package-lock.json
index d55e93ba4..728d43da6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -73,7 +73,7 @@
         "aws-cdk-lib": "^2.200.2",
         "constructs": "^10.4.2",
         "source-map-support": "^0.5.21",
-        "tsx": "^4.20.2",
+        "tsx": "^4.20.3",
         "typescript": "^5.8.3",
         "vitest": "^3.0.5"
       }
@@ -112,7 +112,7 @@
         "aws-cdk": "^2.1018.1",
         "aws-cdk-lib": "^2.200.2",
         "esbuild": "^0.25.5",
-        "tsx": "^4.20.2"
+        "tsx": "^4.20.3"
       },
       "bin": {
         "layer": "bin/layers.js"
@@ -24352,9 +24352,9 @@
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="
     },
     "node_modules/tsx": {
-      "version": "4.20.2",
-      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.20.2.tgz",
-      "integrity": "sha512-He0ZWr41gLa4vD30Au3yuwpe0HXaCZbclvl8RBieUiJ9aFnPMWUPIyvw3RU8+1Crjfcrauvitae2a4tUzRAGsw==",
+      "version": "4.20.3",
+      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.20.3.tgz",
+      "integrity": "sha512-qjbnuR9Tr+FJOMBqJCW5ehvIo/buZq7vH7qD7JziU98h6l3qGy0a/yPFjwO+y0/T7GFpNgNAvEcPPVfyT8rrPQ==",
       "license": "MIT",
       "dependencies": {
         "esbuild": "~0.25.0",