diff --git a/packages/google-cloud-dialogflow/package.json b/packages/google-cloud-dialogflow/package.json
index 741eb9729a5..1a17391cc09 100644
--- a/packages/google-cloud-dialogflow/package.json
+++ b/packages/google-cloud-dialogflow/package.json
@@ -43,7 +43,7 @@
     "predocs-test": "npm run docs"
   },
   "dependencies": {
-    "google-gax": "^0.26.0",
+    "google-gax": "^1.0.0",
     "lodash.merge": "^4.6.0",
     "protobufjs": "^6.8.0"
   },