diff --git a/package-lock.json b/package-lock.json
index 097b604..db98f94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "@types/node": "^26.0.1",
         "make-coverage-badge": "^1.2.0",
         "oxlint": "^1.71.0",
-        "prettier": "^3.8.5",
+        "prettier": "^3.9.3",
         "rollup": "^4.62.2",
         "typescript": "^6.0.3",
         "vitest": "^4.1.9"
@@ -2227,9 +2227,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.8.5",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.5.tgz",
-      "integrity": "sha512-zxcTTCedNGJM4R8sj/Cq/F0W/c4iE0afWBcBwMTRtw4WHYP9TWkYjdiH3npPRUYsXQCPR0hTU9yjovOu+E6EQA==",
+      "version": "3.9.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.3.tgz",
+      "integrity": "sha512-HWmu+K+zvHNpaMfSnYeqdqrDbR16cuIXaPx8WoHaviQkDJh1/0BNtOZmHVQI5jc3wXv0H1yXc9wjvFdXh+n3hQ==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/package.json b/package.json
index 7bd4981..8538f2d 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "@types/node": "^26.0.1",
     "make-coverage-badge": "^1.2.0",
     "oxlint": "^1.71.0",
-    "prettier": "^3.8.5",
+    "prettier": "^3.9.3",
     "rollup": "^4.62.2",
     "typescript": "^6.0.3",
     "vitest": "^4.1.9"