diff --git a/package.json b/package.json
index 5654628c..fb37fd06 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "css-mqpacker": "7.0.0",
     "cssnano": "4.1.10",
     "dart-sass": "1.19.0",
-    "fibers": "4.0.0",
+    "fibers": "4.0.1",
     "grunt": "1.0.4",
     "grunt-cli": "1.3.2",
     "grunt-concurrent": "2.3.1",