diff --git a/package-lock.json b/package-lock.json
index ed97eb728..374e956a0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7559,17 +7559,19 @@
       "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
     },
     "node_modules/tsx": {
-      "version": "3.14.0",
-      "resolved": "https://registry.npmjs.org/tsx/-/tsx-3.14.0.tgz",
-      "integrity": "sha512-xHtFaKtHxM9LOklMmJdI3BEnQq/D5F73Of2E1GDrITi9sgoVkvIsrQUTY1G8FlmGtA+awCI4EBlTRRYxkL2sRg==",
+      "version": "4.6.1",
+      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.6.1.tgz",
+      "integrity": "sha512-OQ4TAPHXAPUo/NZAmmIybl0o8LFOTlycQxFepLBAp6EV87U88fOKYGCQI2viGAEOVU9UW/cgQcxcOMnfEKVY3Q==",
       "dependencies": {
         "esbuild": "~0.18.20",
-        "get-tsconfig": "^4.7.2",
-        "source-map-support": "^0.5.21"
+        "get-tsconfig": "^4.7.2"
       },
       "bin": {
         "tsx": "dist/cli.mjs"
       },
+      "engines": {
+        "node": ">=18.0.0"
+      },
       "optionalDependencies": {
         "fsevents": "~2.3.3"
       }
@@ -8551,7 +8553,7 @@
         "@bufbuild/protobuf": "^1.4.2",
         "@connectrpc/connect-node": "^1.1.3",
         "@connectrpc/connect-web": "^1.1.3",
-        "tsx": "^3.13.0"
+        "tsx": "^4.6.1"
       },
       "devDependencies": {
         "@bufbuild/buf": "^1.27.2",
diff --git a/packages/example/package.json b/packages/example/package.json
index a88ed91c6..cd692959f 100644
--- a/packages/example/package.json
+++ b/packages/example/package.json
@@ -15,7 +15,7 @@
     "@connectrpc/connect-node": "^1.1.3",
     "@connectrpc/connect-web": "^1.1.3",
     "@bufbuild/protobuf": "^1.4.2",
-    "tsx": "^3.13.0"
+    "tsx": "^4.6.1"
   },
   "devDependencies": {
     "@bufbuild/buf": "^1.27.2",