diff --git a/package.json b/package.json
index 08f3e83..6fe748d 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "@types/jest": "^29.0.0",
     "@types/node": "^20.1.0",
     "@types/tap": "^15.0.5",
-    "esbuild": "^0.19.2",
+    "esbuild": "^0.21.5",
     "esbuild-register": "^3.4.1",
     "fastify": "^4.0.0-rc.2",
     "fastify-plugin": "^4.0.0",