diff --git a/package-lock.json b/package-lock.json
index 3cf404c..dca978f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "esbuild": "0.28.1",
         "js-yaml": "^4.1.0",
         "octokit": "^4.0.0",
-        "prettier": "^3.8.3",
+        "prettier": "^3.9.9",
         "puppeteer": "25.10.0",
         "typescript": "^5.8.2",
         "wrangler": "^4.85.0"
@@ -3345,9 +3345,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.3.tgz",
-      "integrity": "sha512-7igPTM53cGHMW8xWuVTydi2KO233VFiTNyF5hLJqpilHfmn8C8gPf+PS7dUT64YcXFbiMGZxS9pCSxL/Dxm/Jw==",
+      "version": "3.9.9",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.9.tgz",
+      "integrity": "sha512-Z/CJHIkdujO/OtN7nXUii0Rf3VT5SRuhjBA82Xvu2XhBUgX3nhP67T0LHceBdQLex7OOFGTox+Q5Yg8Jk2Qivg==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/package.json b/package.json
index 40fc909..51e12d9 100644
--- a/package.json
+++ b/package.json
@@ -87,7 +87,7 @@
     "esbuild": "0.28.1",
     "js-yaml": "^4.1.0",
     "octokit": "^4.0.0",
-    "prettier": "^3.8.3",
+    "prettier": "^3.9.9",
     "puppeteer": "25.10.0",
     "typescript": "^5.8.2",
     "wrangler": "^4.85.0"