diff --git a/package-lock.json b/package-lock.json
index 9e4b460..9c10fec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,7 +33,7 @@
         "rollup-plugin-copy": "3.5.0",
         "rollup-plugin-postcss": "4.0.2",
         "rollup-plugin-serve": "3.0.0",
-        "sass": "1.80.6",
+        "sass": "1.83.0",
         "standard": "17.1.2"
       }
     },
@@ -4682,9 +4682,9 @@
       }
     },
     "node_modules/immutable": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.1.0.tgz",
-      "integrity": "sha512-oNkuqVTA8jqG1Q6c+UglTOD1xhC1BtjKI7XkCXRkZHrN5m18/XsnUp8Q89GkQO/z+0WjonSvl0FLhDYftp46nQ==",
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-5.0.3.tgz",
+      "integrity": "sha512-P8IdPQHq3lA1xVeBRi5VPqUm5HDgKnx0Ru51wZz5mjxHr5n3RWhjIpOFU7ybkUxfB+5IToy+OLaHYDBIWsv+uw==",
       "dev": true
     },
     "node_modules/import-cwd": {
@@ -7019,13 +7019,13 @@
       }
     },
     "node_modules/sass": {
-      "version": "1.80.6",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.80.6.tgz",
-      "integrity": "sha512-ccZgdHNiBF1NHBsWvacvT5rju3y1d/Eu+8Ex6c21nHp2lZGLBEtuwc415QfiI1PJa1TpCo3iXwwSRjRpn2Ckjg==",
+      "version": "1.83.0",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.83.0.tgz",
+      "integrity": "sha512-qsSxlayzoOjdvXMVLkzF84DJFc2HZEL/rFyGIKbbilYtAvlCxyuzUeff9LawTn4btVnLKg75Z8MMr1lxU1lfGw==",
       "dev": true,
       "dependencies": {
         "chokidar": "^4.0.0",
-        "immutable": "^4.0.0",
+        "immutable": "^5.0.2",
         "source-map-js": ">=0.6.2 <2.0.0"
       },
       "bin": {
diff --git a/package.json b/package.json
index 56fb61e..1d52595 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "rollup-plugin-copy": "3.5.0",
     "rollup-plugin-postcss": "4.0.2",
     "rollup-plugin-serve": "3.0.0",
-    "sass": "1.80.6",
+    "sass": "1.83.0",
     "standard": "17.1.2"
   },
   "dependencies": {