diff --git a/build/frontend-legacy/package-lock.json b/build/frontend-legacy/package-lock.json
index b8e553e3b4372..c9f47744422a1 100644
--- a/build/frontend-legacy/package-lock.json
+++ b/build/frontend-legacy/package-lock.json
@@ -113,7 +113,7 @@
         "patch-package": "^8.0.1",
         "raw-loader": "^4.0.2",
         "regextras": "^0.8.0",
-        "sass": "^1.98.0",
+        "sass": "^1.99.0",
         "typescript": "^5.9.2",
         "vite": "^7.3.1",
         "vitest": "^4.1.0",
@@ -15937,9 +15937,9 @@
       "peer": true
     },
     "node_modules/sass": {
-      "version": "1.98.0",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.98.0.tgz",
-      "integrity": "sha512-+4N/u9dZ4PrgzGgPlKnaaRQx64RO0JBKs9sDhQ2pLgN6JQZ25uPQZKQYaBJU48Kd5BxgXoJ4e09Dq7nMcOUW3A==",
+      "version": "1.99.0",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.99.0.tgz",
+      "integrity": "sha512-kgW13M54DUB7IsIRM5LvJkNlpH+WhMpooUcaWGFARkF1Tc82v9mIWkCbCYf+MBvpIUBSeSOTilpZjEPr2VYE6Q==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/build/frontend-legacy/package.json b/build/frontend-legacy/package.json
index 9beb278de21d1..150a135b4937e 100644
--- a/build/frontend-legacy/package.json
+++ b/build/frontend-legacy/package.json
@@ -129,7 +129,7 @@
     "patch-package": "^8.0.1",
     "raw-loader": "^4.0.2",
     "regextras": "^0.8.0",
-    "sass": "^1.98.0",
+    "sass": "^1.99.0",
     "typescript": "^5.9.2",
     "vite": "^7.3.1",
     "vitest": "^4.1.0",