diff --git a/ui/package-lock.json b/ui/package-lock.json
index 88c132e4b..192afeb1a 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -71,7 +71,7 @@
         "jest": "30.4.2",
         "jest-environment-jsdom": "30.4.1",
         "knip": "6.20.0",
-        "prettier": "3.8.4",
+        "prettier": "3.9.3",
         "sass": "1.101.0",
         "stylelint": "17.13.0",
         "stylelint-config-standard-scss": "17.0.0",
@@ -11172,9 +11172,9 @@
       }
     },
     "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": "3.9.3",
+      "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/ui/package.json b/ui/package.json
index d1613d0e2..e803ea8e6 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -67,7 +67,7 @@
     "jest": "30.4.2",
     "jest-environment-jsdom": "30.4.1",
     "knip": "6.20.0",
-    "prettier": "3.8.4",
+    "prettier": "3.9.3",
     "sass": "1.101.0",
     "stylelint": "17.13.0",
     "stylelint-config-standard-scss": "17.0.0",