diff --git a/package.json b/package.json
index ffd74a7..2073f2b 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "expect": "26.0.1",
     "mocha": "8.0.1",
-    "prettier": "2.0.5",
+    "prettier": "3.3.3",
     "sinon": "9.0.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 32b735d..233257f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1276,10 +1276,10 @@ picomatch@^2.0.4, picomatch@^2.0.5, picomatch@^2.0.7:
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
   integrity sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==
 
-prettier@2.0.5:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.5.tgz#d6d56282455243f2f92cc1716692c08aa31522d4"
-  integrity sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==
+prettier@3.3.3:
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.3.3.tgz#30c54fe0be0d8d12e6ae61dbb10109ea00d53105"
+  integrity sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==
 
 pretty-format@^26.0.1:
   version "26.0.1"