diff --git a/package.json b/package.json
index ce5b2f9..acd7d2b 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@sindresorhus/tsconfig": "8.1.0",
-    "prettier": "3.8.5",
+    "prettier": "3.9.0",
     "typescript": "6.0.3"
   },
   "engines": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c71acde..70a44cc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,8 +9,8 @@ devDependencies:
     specifier: 8.1.0
     version: 8.1.0
   prettier:
-    specifier: 3.8.5
-    version: 3.8.5
+    specifier: 3.9.0
+    version: 3.9.0
   typescript:
     specifier: 6.0.3
     version: 6.0.3
@@ -22,8 +22,8 @@ packages:
     engines: {node: '>=20'}
     dev: true
 
-  /prettier@3.8.5:
-    resolution: {integrity: sha512-zxcTTCedNGJM4R8sj/Cq/F0W/c4iE0afWBcBwMTRtw4WHYP9TWkYjdiH3npPRUYsXQCPR0hTU9yjovOu+E6EQA==}
+  /prettier@3.9.0:
+    resolution: {integrity: sha512-LjIqSIC5VYLzs9WedVmJ2ljNAGnU+DteIClbahu4L/DBeWjZ6iT/k1lAYyu9JUh+1xINxWadaPw/Pl63y/agAw==}
     engines: {node: '>=14'}
     hasBin: true
     dev: true