diff --git a/bucket/sass.json b/bucket/sass.json
index 9aaafa8c95..f50548a3bd 100644
--- a/bucket/sass.json
+++ b/bucket/sass.json
@@ -1,16 +1,16 @@
 {
-    "version": "1.65.1",
+    "version": "1.66.0",
     "description": "The primary implementation of Sass, written in Dart.",
     "homepage": "https://sass-lang.com/dart-sass",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/sass/dart-sass/releases/download/1.65.1/dart-sass-1.65.1-windows-x64.zip",
-            "hash": "7feea84356bd87325686bbde8cd424489404841396b4e95243b85c2c6c50f099"
+            "url": "https://github.com/sass/dart-sass/releases/download/1.66.0/dart-sass-1.66.0-windows-x64.zip",
+            "hash": "95a11e1ce875cd3a2b3f8d1adcd1066f0e1782d133bf7b31afa1f213a4fa8966"
         },
         "32bit": {
-            "url": "https://github.com/sass/dart-sass/releases/download/1.65.1/dart-sass-1.65.1-windows-ia32.zip",
-            "hash": "ea0adfb397037a46e761c0205fe50067b5d4885d5b1533cb64cbf3d1973cc213"
+            "url": "https://github.com/sass/dart-sass/releases/download/1.66.0/dart-sass-1.66.0-windows-ia32.zip",
+            "hash": "3778c43ffc3da6acb9a4d4346e2bd242a1a267e6997a805d5e98957e114db2a0"
         }
     },
     "extract_dir": "dart-sass",