diff --git a/package-lock.json b/package-lock.json
index 21e7d71..65cd3f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -286,9 +286,9 @@
       }
     },
     "esbuild": {
-      "version": "0.11.13",
-      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.11.13.tgz",
-      "integrity": "sha512-d5coY4dd4rVWle0WzrR8+32ukKtZroVJ/wJzOwbBEmoSFB/H3QME0l+3IAN5Sf3LtuoUSivdv1/b5rD7OykXeg==",
+      "version": "0.11.21",
+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.11.21.tgz",
+      "integrity": "sha512-FqpYdJqiTeLDbj3vqxc/fG8UmHIEvQrDaUxSw1oJf4giLd/tnMDUUlXellCjOab7qGKQ5hUFD5eQgmO+tkZeow==",
       "dev": true
     },
     "escape-string-regexp": {
diff --git a/package.json b/package.json
index bbfbe25..61d9141 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "license": "MIT",
   "description": "Use the same code font across different sites",
   "devDependencies": {
-    "esbuild": "0.11.13",
+    "esbuild": "0.11.21",
     "eslint": "7.24.0",
     "eslint-plugin-local": "file:scripts/eslint"
   }