diff --git a/package-lock.json b/package-lock.json
index 5008259..3d9eb90 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@types/node": "^26.0.1",
         "dedent": "^1.7.2",
         "markdown-escape": "^2.0.0",
-        "prettier": "^3.8.4",
+        "prettier": "^3.9.4",
         "tsx": "^4.22.3",
         "typescript": "^6.0.3",
         "web-features": "^3.32.0"
@@ -769,9 +769,9 @@
       "license": "MIT"
     },
     "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 3240b50..310b4e4 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@types/node": "^26.0.1",
     "dedent": "^1.7.2",
     "markdown-escape": "^2.0.0",
-    "prettier": "^3.8.4",
+    "prettier": "^3.9.4",
     "tsx": "^4.22.3",
     "typescript": "^6.0.3",
     "web-features": "^3.32.0"