diff --git a/package.json b/package.json
index 2d2126dd..9a41605d 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "devDependencies": {
     "http-server": "14.1.1",
     "prettier": "3.3.3",
-    "sass": "1.80.6",
+    "sass": "1.81.0",
     "svgo": "3.3.2"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 44b7771d..8f6e3ec7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -349,10 +349,10 @@ iconv-lite@0.6.3:
   dependencies:
     safer-buffer ">= 2.1.2 < 3.0.0"
 
-immutable@^4.0.0:
-  version "4.3.4"
-  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.3.4.tgz#2e07b33837b4bb7662f288c244d1ced1ef65a78f"
-  integrity sha512-fsXeu4J4i6WNWSikpI88v/PcVflZz+6kMhUfIwc5SY+poQRPnaf5V7qds6SUyUN3cVxEzuCab7QIoLOQ+DQ1wA==
+immutable@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-5.0.2.tgz#bb8a987349a73efbe6b3b292a9cbaf1b530d296b"
+  integrity sha512-1NU7hWZDkV7hJ4PJ9dur9gTNQ4ePNPN4k9/0YhwjzykTi/+3Q5pF93YU5QoVj8BuOnhLgaY8gs0U2pj4kSYVcw==
 
 is-extglob@^2.1.1:
   version "2.1.1"
@@ -489,13 +489,13 @@ safe-buffer@5.1.2:
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
-sass@1.80.6:
-  version "1.80.6"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.80.6.tgz#5d0aa55763984effe41e40019c9571ab73e6851f"
-  integrity sha512-ccZgdHNiBF1NHBsWvacvT5rju3y1d/Eu+8Ex6c21nHp2lZGLBEtuwc415QfiI1PJa1TpCo3iXwwSRjRpn2Ckjg==
+sass@1.81.0:
+  version "1.81.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.81.0.tgz#a9010c0599867909dfdbad057e4a6fbdd5eec941"
+  integrity sha512-Q4fOxRfhmv3sqCLoGfvrC9pRV8btc0UtqL9mN6Yrv6Qi9ScL55CVH1vlPP863ISLEEMNLLuu9P+enCeGHlnzhA==
   dependencies:
     chokidar "^4.0.0"
-    immutable "^4.0.0"
+    immutable "^5.0.2"
     source-map-js ">=0.6.2 <2.0.0"
   optionalDependencies:
     "@parcel/watcher" "^2.4.1"