diff --git a/gcp/appengine/frontend3/package.json b/gcp/appengine/frontend3/package.json
index 5afd4fd1256..712587eb5f3 100644
--- a/gcp/appengine/frontend3/package.json
+++ b/gcp/appengine/frontend3/package.json
@@ -28,7 +28,7 @@
     "html-webpack-plugin": "5.5.3",
     "mini-css-extract-plugin": "2.7.6",
     "raw-loader": "4.0.2",
-    "sass": "1.63.4",
+    "sass": "1.77.2",
     "sass-loader": "12.6.0",
     "style-loader": "3.3.3",
     "webpack": "5.87.0",