diff --git a/inventory.ini b/inventory.ini
index c43eafa6..2b93a960 100644
--- a/inventory.ini
+++ b/inventory.ini
@@ -63,7 +63,7 @@ ansible_user = tidb
 
 cluster_name = test-cluster
 
-tidb_version = v3.0.19
+tidb_version = v3.0.20
 
 # process supervision, [systemd, supervise]
 process_supervision = systemd