diff --git a/package-lock.json b/package-lock.json
index c4dcd3f..b973712 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,7 @@
         "ajv": "^8.12.0",
         "ajv-formats": "^2.1.1",
         "bent": "^7.3.12",
+        "bufferutil": "^4.0.9",
         "debug": "^4.3.4",
         "parseurl": "^1.3.3"
       },
@@ -23,7 +24,7 @@
         "tape": "^5.7.5"
       },
       "optionalDependencies": {
-        "bufferutil": "^4.0.6",
+        "bufferutil": "^4.0.9",
         "utf-8-validate": "^5.0.8"
       }
     },
@@ -991,10 +992,11 @@
       }
     },
     "node_modules/bufferutil": {
-      "version": "4.0.7",
-      "resolved": "https://registry.npmjs.org/bufferutil/-/bufferutil-4.0.7.tgz",
-      "integrity": "sha512-kukuqc39WOHtdxtw4UScxF/WVnMFVSQVKhtx3AjZJzhd0RGZZldcrfSEbVsWWe6KNH253574cq5F+wpv0G9pJw==",
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/bufferutil/-/bufferutil-4.0.9.tgz",
+      "integrity": "sha512-WDtdLmJvAuNNPzByAYpRo2rF1Mmradw6gvWsQKf63476DDXmomT9zUiGypLcG4ibIM67vhAj8jJRdbmEws2Aqw==",
       "hasInstallScript": true,
+      "license": "MIT",
       "optional": true,
       "dependencies": {
         "node-gyp-build": "^4.3.0"
diff --git a/package.json b/package.json
index 2c4a22f..946bade 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "tape": "^5.7.5"
   },
   "optionalDependencies": {
-    "bufferutil": "^4.0.6",
+    "bufferutil": "^4.0.9",
     "utf-8-validate": "^5.0.8"
   }
 }