diff --git a/_generator_lists/bad-user-agents.list b/_generator_lists/bad-user-agents.list
index cbeb7fb56..fca098c75 100755
--- a/_generator_lists/bad-user-agents.list
+++ b/_generator_lists/bad-user-agents.list
@@ -1,3 +1,7 @@
+BDCbot
+IstellaBot
+DnyzBot
+AlphaBot
 360Spider
 80legs
 Abonti