diff --git a/Fix-for-a-crash-if-one-of-the-expressions-in-an-arit.patch b/Fix-for-a-crash-if-one-of-the-expressions-in-an-arit.patch
deleted file mode 100644
index 6923a99a281b8cb2e91e71a6bd80c286bf1300da..0000000000000000000000000000000000000000
--- a/Fix-for-a-crash-if-one-of-the-expressions-in-an-arit.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-From 708cc7f694738c6dde2dbb5317749a5a9e6d26e2 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?=E8=82=96=E5=9C=A8?= <xiaozai@kylinos.cn>
-Date: Wed, 8 May 2024 17:04:43 +0800
-Subject: [PATCH] fix for a crash if one of the expressions in an arithmetic
- for command expands to NULL
-
----
- execute_cmd.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/execute_cmd.c b/execute_cmd.c
-index ce221a2..46b671d 100644
---- a/execute_cmd.c
-+++ b/execute_cmd.c
-@@ -3056,7 +3056,7 @@ eval_arith_for_expr (l, okp)
-   temp = expand_arith_string (expr, Q_DOUBLE_QUOTES|Q_ARITH);
-   if (l->next)
-     free (expr);
--  new = make_word_list (make_word (temp), (WORD_LIST *)NULL);
-+  new = make_word_list (make_word (temp ? temp : ""), (WORD_LIST *)NULL);
-   free (temp);
- 
-   if (new)
--- 
-2.33.0
-
diff --git a/bash-5.2.15.tar.gz b/bash-5.2.21.tar.gz
similarity index 57%
rename from bash-5.2.15.tar.gz
rename to bash-5.2.21.tar.gz
index 91a7c7dc37fe177743c46175dc59e239c38ad056..41801214e1c8fb4a3bfe6a2d7d1f9d9c4826dc13 100644
Binary files a/bash-5.2.15.tar.gz and b/bash-5.2.21.tar.gz differ
diff --git a/bash.spec b/bash.spec
index 208e4d379bcc683dfca61e38c265b20b34e9080a..a518bc7dd9e60bdde3e1b138af56220c849d4665 100644
--- a/bash.spec
+++ b/bash.spec
@@ -1,6 +1,6 @@
 Name:     bash
-Version:  5.2.15
-Release:  9
+Version:  5.2.21
+Release:  1
 Summary:  It is the Bourne Again Shell
 License:  GPLv3
 URL:      https://www.gnu.org/software/bash
@@ -33,7 +33,6 @@ Patch6005: backport-fixes-for-LINENO-in-multi-line-simple-commands-print.patch
 Patch6006: backport-changes-to-SIGINT-handler-while-waiting-for-a-child-.patch
 Patch6007: backport-renamed-several-functions-beginning-with-legal_-chan.patch
 Patch6008: backport-fix-for-cd-when-curent-directory-doesn-t-exist-fix-w.patch
-Patch6009: Fix-for-a-crash-if-one-of-the-expressions-in-an-arit.patch
 
 BuildRequires: gcc bison texinfo autoconf ncurses-devel
 # Required for bash tests
@@ -162,6 +161,9 @@ make check
 %exclude %{_infodir}/dir
 
 %changelog
+* Wed Jul  3 2024 dillon chen <dillon.chen@gmail.com> - 5.2.21-1
+- update to 5.2.21
+
 * Wed May 08 2024 xiaozai <xiaozai@kylinos.cn> -5.2.15-9
 - fix for a crash if one of the expressions in an arithmetic for command expands to NULL