diff --git a/package-lock.json b/package-lock.json
index de654ff..e1bb540 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
 				"gh-pages": "^6.1.1",
 				"jsdom": "^25.0.1",
 				"publint": "^0.2.11",
-				"sass": "^1.80.4",
+				"sass": "^1.81.0",
 				"svelte-check": "^4.0.4",
 				"tslib": "^2.7.0",
 				"typescript": "^5.6.2",
@@ -649,6 +649,7 @@
 			"integrity": "sha512-HNjmfLQEVRZmHRET336f20H/8kOozUGwk7yajvsonjNxbj2wBTK1WsQuHkD5yYh9RxFGL2EyDHryOihOwUoKDA==",
 			"dev": true,
 			"license": "MIT",
+			"optional": true,
 			"dependencies": {
 				"detect-libc": "^1.0.3",
 				"is-glob": "^4.0.3",
@@ -1822,6 +1823,7 @@
 			"integrity": "sha512-pGjwhsmsp4kL2RTz08wcOlGN83otlqHeD/Z5T8GXZB+/YcpQ/dgo+lbU8ZsGxV0HIvqqxo9l7mqYwyYMD9bKDg==",
 			"dev": true,
 			"license": "Apache-2.0",
+			"optional": true,
 			"bin": {
 				"detect-libc": "bin/detect-libc.js"
 			},
@@ -2305,11 +2307,10 @@
 			}
 		},
 		"node_modules/immutable": {
-			"version": "4.3.7",
-			"resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.7.tgz",
-			"integrity": "sha512-1hqclzwYwjRDFLjcFxOM5AYkkG0rpFPpr1RLPMEuGczoS7YA8gLhy8SWXYRAA/XwfEHpfo3cw5JGioS32fnMRw==",
-			"dev": true,
-			"license": "MIT"
+			"version": "5.0.2",
+			"resolved": "https://registry.npmjs.org/immutable/-/immutable-5.0.2.tgz",
+			"integrity": "sha512-1NU7hWZDkV7hJ4PJ9dur9gTNQ4ePNPN4k9/0YhwjzykTi/+3Q5pF93YU5QoVj8BuOnhLgaY8gs0U2pj4kSYVcw==",
+			"dev": true
 		},
 		"node_modules/import-meta-resolve": {
 			"version": "4.1.0",
@@ -2665,7 +2666,8 @@
 			"resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-7.1.1.tgz",
 			"integrity": "sha512-5m3bsyrjFWE1xf7nz7YXdN4udnVtXK6/Yfgn5qnahL6bCkf2yKt4k3nuTKAtT4r3IG8JNR2ncsIMdZuAzJjHQQ==",
 			"dev": true,
-			"license": "MIT"
+			"license": "MIT",
+			"optional": true
 		},
 		"node_modules/npm-bundled": {
 			"version": "2.0.1",
@@ -3093,14 +3095,13 @@
 			"license": "MIT"
 		},
 		"node_modules/sass": {
-			"version": "1.80.4",
-			"resolved": "https://registry.npmjs.org/sass/-/sass-1.80.4.tgz",
-			"integrity": "sha512-rhMQ2tSF5CsuuspvC94nPM9rToiAFw2h3JTrLlgmNw1MH79v8Cr3DH6KF6o6r+8oofY3iYVPUf66KzC8yuVN1w==",
+			"version": "1.81.0",
+			"resolved": "https://registry.npmjs.org/sass/-/sass-1.81.0.tgz",
+			"integrity": "sha512-Q4fOxRfhmv3sqCLoGfvrC9pRV8btc0UtqL9mN6Yrv6Qi9ScL55CVH1vlPP863ISLEEMNLLuu9P+enCeGHlnzhA==",
 			"dev": true,
 			"dependencies": {
-				"@parcel/watcher": "^2.4.1",
 				"chokidar": "^4.0.0",
-				"immutable": "^4.0.0",
+				"immutable": "^5.0.2",
 				"source-map-js": ">=0.6.2 <2.0.0"
 			},
 			"bin": {
@@ -3108,6 +3109,9 @@
 			},
 			"engines": {
 				"node": ">=14.0.0"
+			},
+			"optionalDependencies": {
+				"@parcel/watcher": "^2.4.1"
 			}
 		},
 		"node_modules/saxes": {
diff --git a/package.json b/package.json
index 8a0c276..70840f5 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
 		"gh-pages": "^6.1.1",
 		"jsdom": "^25.0.1",
 		"publint": "^0.2.11",
-		"sass": "^1.80.4",
+		"sass": "^1.81.0",
 		"svelte-check": "^4.0.4",
 		"tslib": "^2.7.0",
 		"typescript": "^5.6.2",