diff --git a/package-lock.json b/package-lock.json
index b382965..47a67ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.3.0",
       "license": "MIT",
       "dependencies": {
-        "css": "^3.0.0"
+        "@adobe/css-tools": "^4.4.0"
       },
       "bin": {
         "get-css-variables": "bin/get-css-variables.js"
@@ -33,6 +33,12 @@
         "node": ">= 18.0"
       }
     },
+    "node_modules/@adobe/css-tools": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.4.0.tgz",
+      "integrity": "sha512-Ff9+ksdQQB3rMncgqDK78uLznstjyfIf2Arnh22pW8kBpLs6rpKDwgnZT46hin5Hl1WzazzK64DOrhSwYpS7bQ==",
+      "license": "MIT"
+    },
     "node_modules/@ampproject/remapping": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.3.0.tgz",
@@ -3646,18 +3652,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/atob": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
-      "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==",
-      "license": "(MIT OR Apache-2.0)",
-      "bin": {
-        "atob": "bin/atob.js"
-      },
-      "engines": {
-        "node": ">= 4.5.0"
-      }
-    },
     "node_modules/available-typed-arrays": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.7.tgz",
@@ -4441,17 +4435,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/css": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/css/-/css-3.0.0.tgz",
-      "integrity": "sha512-DG9pFfwOrzc+hawpmqX/dHYHJG+Bsdb0klhyi1sDneOgGOXy9wQIC8hzyVp1e4NRYDBdxcylvywPkkXCHAzTyQ==",
-      "license": "MIT",
-      "dependencies": {
-        "inherits": "^2.0.4",
-        "source-map": "^0.6.1",
-        "source-map-resolve": "^0.6.0"
-      }
-    },
     "node_modules/data-view-buffer": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/data-view-buffer/-/data-view-buffer-1.0.1.tgz",
@@ -4524,15 +4507,6 @@
         }
       }
     },
-    "node_modules/decode-uri-component": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.2.tgz",
-      "integrity": "sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.10"
-      }
-    },
     "node_modules/deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -6357,6 +6331,7 @@
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+      "dev": true,
       "license": "ISC"
     },
     "node_modules/internal-slot": {
@@ -10554,22 +10529,12 @@
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
       "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
         "node": ">=0.10.0"
       }
     },
-    "node_modules/source-map-resolve": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.6.0.tgz",
-      "integrity": "sha512-KXBr9d/fO/bWo97NXsPIAW1bFSBOuCnjbNTBMO7N59hsv5i9yzRDfcYwwt0l04+VqnKC+EwzvJZIP/qkuMgR/w==",
-      "deprecated": "See https://github.com/lydell/source-map-resolve#deprecated",
-      "license": "MIT",
-      "dependencies": {
-        "atob": "^2.1.2",
-        "decode-uri-component": "^0.2.0"
-      }
-    },
     "node_modules/source-map-support": {
       "version": "0.5.13",
       "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.13.tgz",
diff --git a/package.json b/package.json
index 8426801..d771ba5 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "package.json": "npx sort-package-json -c"
   },
   "dependencies": {
-    "css": "^3.0.0"
+    "@adobe/css-tools": "^4.4.0"
   },
   "devDependencies": {
     "@babel/cli": "^7.25.6",
diff --git a/src/index.js b/src/index.js
index 66464b8..ade0ae5 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,4 @@
-const css = require("css");
+const css = require("@adobe/css-tools");
 
 /**
  * @param {*} String CSS source