diff --git a/package-lock.json b/package-lock.json
index 3a9b5b4..e224dc8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -40,7 +40,7 @@
         "eslint-plugin-vue": "10.7.0",
         "jsdom": "^28.1.0",
         "prettier": "3.8.1",
-        "sass": "1.97.3",
+        "sass": "1.99.0",
         "sass-loader": "16.0.7",
         "typescript": "5.9.3",
         "typescript-eslint": "^8.59.0",
@@ -5392,14 +5392,14 @@
       "license": "MIT"
     },
     "node_modules/sass": {
-      "version": "1.97.3",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.97.3.tgz",
-      "integrity": "sha512-fDz1zJpd5GycprAbu4Q2PV/RprsRtKC/0z82z0JLgdytmcq0+ujJbJ/09bPGDxCLkKY3Np5cRAOcWiVkLXJURg==",
+      "version": "1.99.0",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.99.0.tgz",
+      "integrity": "sha512-kgW13M54DUB7IsIRM5LvJkNlpH+WhMpooUcaWGFARkF1Tc82v9mIWkCbCYf+MBvpIUBSeSOTilpZjEPr2VYE6Q==",
       "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "chokidar": "^4.0.0",
-        "immutable": "^5.0.2",
+        "immutable": "^5.1.5",
         "source-map-js": ">=0.6.2 <2.0.0"
       },
       "bin": {
diff --git a/package.json b/package.json
index f52e1c2..8fe51a2 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "eslint-plugin-vue": "10.7.0",
     "jsdom": "^28.1.0",
     "prettier": "3.8.1",
-    "sass": "1.97.3",
+    "sass": "1.99.0",
     "sass-loader": "16.0.7",
     "typescript": "5.9.3",
     "typescript-eslint": "^8.59.0",