diff --git a/scripts/update_centos.sh b/scripts/update_centos.sh
index 76920645a..d45a519ae 100755
--- a/scripts/update_centos.sh
+++ b/scripts/update_centos.sh
@@ -43,7 +43,7 @@ do
     echo -e ".\c"
     sleep 0.5
     let n+=1
-    if [ $n -gt 8 ];then
+    if [ $n -gt 15 ];then
         break;
     fi
 done