diff --git a/index.js b/index.js
index 77dc6d4..74e90e8 100644
--- a/index.js
+++ b/index.js
@@ -17,6 +17,7 @@ var versionArray = process.version
 var isNodeApiBuiltin = (
   versionArray[0] > 8 ||
   (versionArray[0] == 8 && versionArray[1] >= 6) ||
+  (versionArray[0] == 6 && versionArray[1] >= 15) ||
   (versionArray[0] == 6 && versionArray[1] >= 14 && versionArray[2] >= 2));
 
 // The flag is not needed when the Node version is not 8, nor if the API is