diff --git a/bucket/sass.json b/bucket/sass.json
index 0c829bd521..c4bae4ef60 100644
--- a/bucket/sass.json
+++ b/bucket/sass.json
@@ -1,16 +1,16 @@
 {
-    "version": "1.63.6",
+    "version": "1.64.0",
     "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/1.63.6/dart-sass-1.63.6-windows-x64.zip",
-            "hash": "28f97e84f56fe08e02e52065397bf35c72a08405fa637fa04fd9502098f796ba"
+            "url": "https://github.com/sass/dart-sass/releases/download/1.64.0/dart-sass-1.64.0-windows-x64.zip",
+            "hash": "0d3e6982f1e272bbdcf0c2d8bf339a12ef265435db8ab3e8799b16a95c011f8a"
         },
         "32bit": {
-            "url": "https://github.com/sass/dart-sass/releases/download/1.63.6/dart-sass-1.63.6-windows-ia32.zip",
-            "hash": "4ec4e347f6ff256f83e394f9198a3a77ab626491de091366286fb3e1bf01b101"
+            "url": "https://github.com/sass/dart-sass/releases/download/1.64.0/dart-sass-1.64.0-windows-ia32.zip",
+            "hash": "4d6eaaa92ed8e7b648fae6ecc577ec5b8349b33fa31bed2b00141a84bfaea8ed"
         }
     },
     "extract_dir": "dart-sass",