diff --git a/ct/emqx.sh b/ct/emqx.sh
index fb198fce..ccfbd747 100644
--- a/ct/emqx.sh
+++ b/ct/emqx.sh
@@ -23,7 +23,7 @@ var_disk="4"
 var_cpu="2"
 var_ram="1024"
 var_os="debian"
-var_version="11"
+var_version="12"
 variables
 color
 catch_errors