diff --git a/doc/netlify.toml b/doc/netlify.toml
index 4ee432bd..1f7f9765 100644
--- a/doc/netlify.toml
+++ b/doc/netlify.toml
@@ -1,7 +1,7 @@
 [build.environment]
   PYTHON_VERSION = "3.13"
   HUGO_VERSION = "0.141.0"
-  DART_SASS_VERSION = "1.81.0"
+  DART_SASS_VERSION = "1.83.4"
   DART_SASS_URL = "https://github.com/sass/dart-sass/releases/download/"
 
 [context.production.environment]