diff --git a/package.json b/package.json
index 76d63dbe..b4b50d6b 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "jest": "27.5.1",
     "jest-circus": "27.5.1",
     "js-yaml": "4.1.0",
-    "prettier": "2.8.8",
+    "prettier": "3.4.0",
     "ts-jest": "27.1.5",
     "typescript": "3.9.10"
   },
diff --git a/yarn.lock b/yarn.lock
index e8ecca70..4107aedd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4703,10 +4703,10 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@2.8.8:
-  version "2.8.8"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
-  integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
+prettier@3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.4.0.tgz#9dcd5e617cf103db8e4bd00924baecfd32bf9971"
+  integrity sha512-/OXNZcLyWkfo13ofOW5M7SLh+k5pnIs07owXK2teFpnfaOEcycnSy7HQxldaVX1ZP/7Q8oO1eDuQJNwbomQq5Q==
 
 prettier@>=1.12.0:
   version "2.0.5"