diff --git a/integration_test/package.node6.json b/integration_test/package.node6.json
index 265627814..efc6380a8 100644
--- a/integration_test/package.node6.json
+++ b/integration_test/package.node6.json
@@ -8,7 +8,7 @@
     "@google-cloud/pubsub": "~0.19.0",
     "@types/google-cloud__pubsub": "^0.18.0",
     "@types/lodash": "~4.14.41",
-    "firebase-admin": "~5.13.0",
+    "firebase-admin": "~6.0.0",
     "firebase-functions": "./firebase-functions.tgz",
     "lodash": "~4.17.2"
   },
diff --git a/integration_test/package.node8.json b/integration_test/package.node8.json
index f89e0a8ba..0de718c2a 100644
--- a/integration_test/package.node8.json
+++ b/integration_test/package.node8.json
@@ -8,7 +8,7 @@
     "@google-cloud/pubsub": "~0.19.0",
     "@types/google-cloud__pubsub": "^0.18.0",
     "@types/lodash": "~4.14.41",
-    "firebase-admin": "~5.13.0",
+    "firebase-admin": "~6.0.0",
     "firebase-functions": "./firebase-functions.tgz",
     "lodash": "~4.17.2"
   },