diff --git a/servers_v6.json b/servers_v6.json
index 72b647f258..b715c4dfa9 100644
--- a/servers_v6.json
+++ b/servers_v6.json
@@ -17,7 +17,7 @@
   },
   {
 	"name": "io",
-	"address": ["mindustry.io", "mindustry.io:1000", "mindustry.io:2000", "mindustry.io:3000"]
+	"address": ["mindustry.io", "mindustry.io:1000", "mindustry.io:2000", "mindustry.io:3000", "mindustry.io:4000"]
   },
   {
     "name": "ECAN",