diff --git a/nav-app/package-lock.json b/nav-app/package-lock.json
index ee755f6c..504bb7b3 100644
--- a/nav-app/package-lock.json
+++ b/nav-app/package-lock.json
@@ -62,7 +62,7 @@
         "karma-jasmine": "^5.1.0",
         "karma-jasmine-html-reporter": "^2.2.0",
         "marked": "^15.0.12",
-        "prettier": "^3.8.1",
+        "prettier": "^3.9.4",
         "ts-node": "^10.9.1",
         "tslint": "~6.1.0",
         "typescript": "^5.8.3"
@@ -14628,9 +14628,9 @@
       "license": "MIT"
     },
     "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": "3.9.4",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.4.tgz",
+      "integrity": "sha512-yWG/o/4oJfo036EKAfK6ACAoDOfHeRHx4tuxkfBZiauURiaSmYwlpOr5LQqKtIkRD2z1PLteme2WoxEnj4tHTg==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/nav-app/package.json b/nav-app/package.json
index bc120648..b019cfd2 100644
--- a/nav-app/package.json
+++ b/nav-app/package.json
@@ -70,7 +70,7 @@
     "karma-jasmine": "^5.1.0",
     "karma-jasmine-html-reporter": "^2.2.0",
     "marked": "^15.0.12",
-    "prettier": "^3.8.1",
+    "prettier": "^3.9.4",
     "ts-node": "^10.9.1",
     "tslint": "~6.1.0",
     "typescript": "^5.8.3"