diff --git a/AUTHORS b/AUTHORS
index 3176238d..4977f735 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -164,3 +164,6 @@ that much better:
  * Ryan Witt (https://github.com/ryanwitt)
  * Jiequan (https://github.com/Jiequan)
  * hensom (https://github.com/hensom)
+ * zhy0216 (https://github.com/zhy0216)
+ * istinspring (https://github.com/istinspring)
+ * Massimo Santini (https://github.com/mapio)