diff --git a/packages/google-cloud-oslogin/package.json b/packages/google-cloud-oslogin/package.json
index e81635dbcc1..949c159cc7e 100644
--- a/packages/google-cloud-oslogin/package.json
+++ b/packages/google-cloud-oslogin/package.json
@@ -68,6 +68,6 @@
     "nyc": "^13.0.0",
     "power-assert": "^1.4.4",
     "prettier": "^1.9.2",
-    "through2": "^2.0.3"
+    "through2": "^3.0.0"
   }
 }