diff --git a/package.json b/package.json
index 99bd90c..28ec2a2 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "axe-playwright": "2.2.2",
     "eslint": "9.39.4",
     "express": "4.22.1",
-    "prettier": "3.8.1",
+    "prettier": "3.9.9",
     "ts-node": "10.9.2",
     "typescript": "5.9.3"
   },
diff --git a/yarn.lock b/yarn.lock
index 9c859b4..fe1dff1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2264,10 +2264,10 @@ prettier-plugin-organize-imports@3.2.4:
   resolved "https://registry.yarnpkg.com/prettier-plugin-organize-imports/-/prettier-plugin-organize-imports-3.2.4.tgz#77967f69d335e9c8e6e5d224074609309c62845e"
   integrity sha512-6m8WBhIp0dfwu0SkgfOxJqh+HpdyfqSSLfKKRZSFbDuEQXDDndb8fTpRWkUrX/uBenkex3MgnVk0J3b3Y5byog==
 
-prettier@3.8.1:
-  version "3.8.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.8.1.tgz#edf48977cf991558f4fcbd8a3ba6015ba2a3a173"
-  integrity sha512-UOnG6LftzbdaHZcKoPFtOcCKztrQ57WkHDeRD9t/PTQtmT0NHSeWWepj6pS0z/N7+08BHFDQVUrfmfMRcZwbMg==
+prettier@3.9.9:
+  version "3.9.9"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.9.9.tgz#09b826918c91cd4cbc80e0cbd1d2a922ff04f233"
+  integrity sha512-Z/CJHIkdujO/OtN7nXUii0Rf3VT5SRuhjBA82Xvu2XhBUgX3nhP67T0LHceBdQLex7OOFGTox+Q5Yg8Jk2Qivg==
 
 prop-types@^15.8.1:
   version "15.8.1"