diff --git a/packages/client/package.json b/packages/client/package.json
index 82e8c7fe5..2ec7bae96 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -24,7 +24,7 @@
   },
   "main": "index.js",
   "engines": {
-    "node": ">=10.*"
+    "node": "6.* || 8.* || >=10.*"
   },
   "dependencies": {
     "@sendgrid/helpers": "^7.7.0",