diff --git a/kms/package.json b/kms/package.json
index e1dd5eb6a7..e2ace511df 100644
--- a/kms/package.json
+++ b/kms/package.json
@@ -5,7 +5,7 @@
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
-    "node": ">=6"
+    "node": ">=8"
   },
   "repository": "googleapis/nodejs-kms",
   "private": true,