diff --git a/package.json b/package.json
index 76b6de24..99948a49 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
   },
   "dependencies": {
     "extend": "^3.0.1",
-    "google-gax": "^0.19.0",
+    "google-gax": "^0.20.0",
     "google-proto-files": "^0.16.0",
     "lodash.merge": "^4.6.1",
     "protobufjs": "^6.8.6",