diff --git a/package-lock.json b/package-lock.json
index 74b5f314..140ab96e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -48,7 +48,7 @@
         "coi-serviceworker": "^0.1.7",
         "gh-pages": "^6.1.1",
         "jsdom": "^29.0.1",
-        "prettier": "3.6.2",
+        "prettier": "3.9.6",
         "typescript": "^5.9.3",
         "vite": "^8.1.3",
         "vitest": "^4.1.0"
@@ -3651,9 +3651,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.6.2",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.6.2.tgz",
-      "integrity": "sha512-I7AIg5boAr5R0FFtJ6rCfD+LFsWHp81dolrFD8S79U9tb8Az2nGrJncnMSnys+bpQJfRUzqs9hnA81OAA3hCuQ==",
+      "version": "3.9.6",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.6.tgz",
+      "integrity": "sha512-OpN0zzVdiaiAhxpuuj5efpIS4sY9j7bY6uR5mnj5yPzGkdkjNKSJeUThPb60Jw29QuAZgA4o+/iB49kFiaBX6g==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/package.json b/package.json
index c782a786..bd457c85 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "coi-serviceworker": "^0.1.7",
     "gh-pages": "^6.1.1",
     "jsdom": "^29.0.1",
-    "prettier": "3.6.2",
+    "prettier": "3.9.6",
     "typescript": "^5.9.3",
     "vite": "^8.1.3",
     "vitest": "^4.1.0"