diff --git a/apps/OpenSign/package-lock.json b/apps/OpenSign/package-lock.json
index d81f87b8d5..9d544bee30 100644
--- a/apps/OpenSign/package-lock.json
+++ b/apps/OpenSign/package-lock.json
@@ -82,7 +82,7 @@
         "lint-staged": "^15.2.10",
         "mini-css-extract-plugin": "^2.9.2",
         "postcss": "^8.4.49",
-        "prettier": "^3.3.3",
+        "prettier": "^3.4.2",
         "pretty-quick": "^4.0.0",
         "tailwindcss": "^3.4.15",
         "terser-webpack-plugin": "^5.3.10",
@@ -20461,9 +20461,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz",
-      "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.2.tgz",
+      "integrity": "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==",
       "dev": true,
       "bin": {
         "prettier": "bin/prettier.cjs"
diff --git a/apps/OpenSign/package.json b/apps/OpenSign/package.json
index 0a18501791..35c387b672 100644
--- a/apps/OpenSign/package.json
+++ b/apps/OpenSign/package.json
@@ -114,7 +114,7 @@
     "lint-staged": "^15.2.10",
     "mini-css-extract-plugin": "^2.9.2",
     "postcss": "^8.4.49",
-    "prettier": "^3.3.3",
+    "prettier": "^3.4.2",
     "pretty-quick": "^4.0.0",
     "tailwindcss": "^3.4.15",
     "terser-webpack-plugin": "^5.3.10",