diff --git a/package.json b/package.json
index 1a33e485..6a02e809 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "del": "1.2.1",
     "eslint": "4.19.1",
     "eslint-config-google": "0.14.0",
-    "fibers": "5.0.0",
+    "fibers": "5.0.3",
     "gas-local": "1.3.1",
     "gulp": "4.0.2",
     "gulp-clean": "0.4.0",