diff --git a/inventory.ini b/inventory.ini
index 70547c8ab..5bb2b13f7 100644
--- a/inventory.ini
+++ b/inventory.ini
@@ -63,7 +63,7 @@ ansible_user = tidb
 
 cluster_name = test-cluster
 
-tidb_version = v2.1.0
+tidb_version = v2.1.1
 
 # process supervision, [systemd, supervise]
 process_supervision = systemd