diff --git a/apps/OpenSignServer/package-lock.json b/apps/OpenSignServer/package-lock.json
index 8c0672e8c..3417fd738 100644
--- a/apps/OpenSignServer/package-lock.json
+++ b/apps/OpenSignServer/package-lock.json
@@ -47,7 +47,7 @@
         "mongodb-runner": "^5.7.1",
         "nodemon": "^3.1.9",
         "nyc": "^17.1.0",
-        "prettier": "^3.5.0"
+        "prettier": "^3.5.3"
       },
       "engines": {
         "node": "18 || 20 || 22"
@@ -16933,9 +16933,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.0.tgz",
-      "integrity": "sha512-quyMrVt6svPS7CjQ9gKb3GLEX/rl3BCL2oa/QkNcXv4YNVBC9olt3s+H7ukto06q7B1Qz46PbrKLO34PR6vXcA==",
+      "version": "3.5.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.3.tgz",
+      "integrity": "sha512-QQtaxnoDJeAkDvDKWCLiwIXkTgRhwYDEQCghU9Z6q03iyek/rxRh/2lC3HB7P8sWT2xC/y5JDctPLBIGzHKbhw==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/apps/OpenSignServer/package.json b/apps/OpenSignServer/package.json
index 8c3b51102..655e31c7b 100644
--- a/apps/OpenSignServer/package.json
+++ b/apps/OpenSignServer/package.json
@@ -57,7 +57,7 @@
     "mongodb-runner": "^5.7.1",
     "nodemon": "^3.1.9",
     "nyc": "^17.1.0",
-    "prettier": "^3.5.0"
+    "prettier": "^3.5.3"
   },
   "overrides": {
     "ws": "$ws",