diff --git a/package.json b/package.json
index 80ecdfc46..f27b8f820 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "arrify": "^2.0.0",
     "async-each": "^1.0.1",
     "extend": "^3.0.2",
-    "google-auth-library": "^5.5.0",
+    "google-auth-library": "^6.0.0",
     "google-gax": "^1.14.2",
     "is-stream-ended": "^0.1.4",
     "lodash.snakecase": "^4.1.1",