diff --git a/package.json b/package.json
index 1c466da8..25c2dd9e 100644
--- a/package.json
+++ b/package.json
@@ -143,7 +143,7 @@
     "babel-loader": "^8.2.3",
     "babel-plugin-istanbul": "^6.1.1",
     "babel-register": "^6.26.0",
-    "bufferutil": "^4.0.5",
+    "bufferutil": "^4.0.6",
     "cfonts": "^2.10.0",
     "chai": "^4.3.4",
     "chalk": "^4.1.2",
diff --git a/yarn.lock b/yarn.lock
index d8d85c53..21f2972d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3116,10 +3116,10 @@ buffer@^5.1.0:
     base64-js "^1.3.1"
     ieee754 "^1.1.13"
 
-bufferutil@^4.0.5:
-  version "4.0.5"
-  resolved "https://registry.yarnpkg.com/bufferutil/-/bufferutil-4.0.5.tgz#da9ea8166911cc276bf677b8aed2d02d31f59028"
-  integrity sha512-HTm14iMQKK2FjFLRTM5lAVcyaUzOnqbPtesFIvREgXpJHdQm8bWS+GkQgIkfaBYRHuCnea7w8UVNfwiAQhlr9A==
+bufferutil@^4.0.6:
+  version "4.0.6"
+  resolved "https://registry.yarnpkg.com/bufferutil/-/bufferutil-4.0.6.tgz#ebd6c67c7922a0e902f053e5d8be5ec850e48433"
+  integrity sha512-jduaYOYtnio4aIAyc6UbvPCVcgq7nYpVnucyxr6eCYg/Woad9Hf/oxxBRDnGGjPfjUm6j5O/uBWhIu4iLebFaw==
   dependencies:
     node-gyp-build "^4.3.0"