diff --git a/package-lock.json b/package-lock.json
index 2b0f784..0d8d118 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
         "@vitest/coverage-v8": "^4.1.9",
         "eslint": "^10.5.0",
         "markdownlint-cli2": "^0.22.1",
-        "prettier": "^3.8.4",
+        "prettier": "^3.9.4",
         "tsx": "^4.22.4",
         "typescript": "^6.0.3",
         "typescript-eslint": "^8.61.1",
@@ -3910,9 +3910,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.8.4",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.4.tgz",
-      "integrity": "sha512-N2MylSdi48+5N/6S5j+maeHbUSIzzZ5uOcX5Hm4QpV8Dkb1HFjfAKTKX6yNPJQD9AhcT3ifHNB66tWTTJDi11Q==",
+      "version": "3.9.4",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.4.tgz",
+      "integrity": "sha512-yWG/o/4oJfo036EKAfK6ACAoDOfHeRHx4tuxkfBZiauURiaSmYwlpOr5LQqKtIkRD2z1PLteme2WoxEnj4tHTg==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/package.json b/package.json
index b9fefde..1376198 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "@vitest/coverage-v8": "^4.1.9",
     "eslint": "^10.5.0",
     "markdownlint-cli2": "^0.22.1",
-    "prettier": "^3.8.4",
+    "prettier": "^3.9.4",
     "tsx": "^4.22.4",
     "typescript": "^6.0.3",
     "typescript-eslint": "^8.61.1",