diff --git a/exim-4.97.1.tar.xz b/exim-4.97.1.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..641081f08417624f47755b2d4627b688d4df619d
Binary files /dev/null and b/exim-4.97.1.tar.xz differ
diff --git a/exim-4.97.tar.xz b/exim-4.97.tar.xz
deleted file mode 100644
index ac06e363b982ea0f05931d905531a67589ca144b..0000000000000000000000000000000000000000
Binary files a/exim-4.97.tar.xz and /dev/null differ
diff --git a/exim.spec b/exim.spec
index e61d295dfc9597155fcc3aef9973ad8fee65444b..09b0b1f5ff7ee4e4d62e9d16ebb64f1ededcbcf8 100644
--- a/exim.spec
+++ b/exim.spec
@@ -3,7 +3,7 @@
 
 Summary:          The exim mail transfer agent
 Name:             exim
-Version:          4.97
+Version:          4.97.1
 Release:          1
 License:          GPLv2+
 Url:              https://www.exim.org/
@@ -480,6 +480,9 @@ fi
 %{_sysconfdir}/cron.daily/greylist-tidy.sh
 
 %changelog
+* Sun Feb 4 2024 zhuchao <tom_toworld@163.com> - 4.97.1-1
+- DESC:upgrade to 4.97.1 to resolve the CVE-2023-51766
+
 * Sat Dec 16 2023 zhuchao <tom_toworld@163.com> - 4.97-1
 - DESC:upgrade to 4.97 to resolve the CVE-2023-42114 to CVE-2023-42119