diff --git a/package.json b/package.json
index 4f152f4..da9b782 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "mocha": "7.2.0",
     "npm-run-all": "4.1.5",
     "nyc": "15.1.0",
-    "prettier": "2.2.1",
+    "prettier": "2.8.4",
     "typescript": "4.1.3",
     "cz-conventional-changelog": "3.3.0",
     "@commitlint/cli": "11.0.0",
diff --git a/yarn.lock b/yarn.lock
index af2bf04..1735bda 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6190,10 +6190,10 @@ prelude-ls@^1.2.1:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"
   integrity sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==
 
-prettier@2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.2.1.tgz#795a1a78dd52f073da0cd42b21f9c91381923ff5"
-  integrity sha512-PqyhM2yCjg/oKkFPtTGUojv7gnZAoG80ttl45O6x2Ug/rMJw4wcc9k6aaf2hibP7BGVCCM33gZoGjyvt9mm16Q==
+prettier@2.8.4:
+  version "2.8.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.4.tgz#34dd2595629bfbb79d344ac4a91ff948694463c3"
+  integrity sha512-vIS4Rlc2FNh0BySk3Wkd6xmwxB0FpOndW5fisM5H8hsZSxU2VWVB5CWIkIjWvrHjIhxk2g3bfMKM87zNTrZddw==
 
 process-nextick-args@~2.0.0:
   version "2.0.1"