diff --git a/package.json b/package.json
index cca6ba72..afb0d655 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "type": "module",
   "devDependencies": {
     "jsdom": "^22.1.0",
-    "prettier": "^2.8.3",
+    "prettier": "^3.4.0",
     "shiki": "^0.12.1",
     "windicss": "^3.5.6"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index aae6d9d9..45595cb9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,8 +9,8 @@ devDependencies:
     specifier: ^22.1.0
     version: 22.1.0
   prettier:
-    specifier: ^2.8.3
-    version: 2.8.3
+    specifier: ^3.4.0
+    version: 3.4.0
   shiki:
     specifier: ^0.12.1
     version: 0.12.1
@@ -214,9 +214,9 @@ packages:
       entities: 4.4.0
     dev: true
 
-  /prettier@2.8.3:
-    resolution: {integrity: sha512-tJ/oJ4amDihPoufT5sM0Z1SKEuKay8LfVAMlbbhnnkvt6BUserZylqo2PN+p9KeljLr0OHa2rXHU1T8reeoTrw==}
-    engines: {node: '>=10.13.0'}
+  /prettier@3.4.0:
+    resolution: {integrity: sha512-/OXNZcLyWkfo13ofOW5M7SLh+k5pnIs07owXK2teFpnfaOEcycnSy7HQxldaVX1ZP/7Q8oO1eDuQJNwbomQq5Q==}
+    engines: {node: '>=14'}
     hasBin: true
     dev: true