diff --git a/package.json b/package.json
index 64182291..f05df2bf 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "repository": "https://github.com/react-bootstrap/code-sandbox-examples",
   "license": "MIT",
   "dependencies": {
-    "prettier": "^2.7.1"
+    "prettier": "^3.9.3"
   },
   "scripts": {
     "lint": "prettier --check **/*.{js,tsx,css,md}",
diff --git a/yarn.lock b/yarn.lock
index 113c0c75..29f1ceae 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-prettier@^2.7.1:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.7.1.tgz#e235806850d057f97bb08368a4f7d899f7760c64"
-  integrity sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==
+prettier@^3.9.3:
+  version "3.9.3"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.9.3.tgz#4caabe6fb955e8b8f13319f25872522ece519534"
+  integrity sha512-HWmu+K+zvHNpaMfSnYeqdqrDbR16cuIXaPx8WoHaviQkDJh1/0BNtOZmHVQI5jc3wXv0H1yXc9wjvFdXh+n3hQ==