diff --git a/3.6.3.tar.gz b/3.6.3.tar.gz
deleted file mode 100644
index 6aea7a799408f87cce89ace9eb0b9f026accab5f..0000000000000000000000000000000000000000
Binary files a/3.6.3.tar.gz and /dev/null differ
diff --git a/3.6.4.tar.gz b/3.6.4.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..41f6548add28cf70b8e206c2c2268bba525e015b
Binary files /dev/null and b/3.6.4.tar.gz differ
diff --git a/deltarpm.spec b/deltarpm.spec
index e110f3159b7e2e73f4c0b428b1596136d2a56fc1..775ca7bb8bfb6a91a66ffb4a8a06aa5b4fa4ef53 100644
--- a/deltarpm.spec
+++ b/deltarpm.spec
@@ -1,7 +1,7 @@
 %bcond_without  python3
 Name:           deltarpm
-Version:        3.6.3
-Release:        2
+Version:        3.6.4
+Release:        1
 Summary:        deltarpm contains the difference between an old and a new version of an RPM package.
 License:        BSD
 URL:            https://github.com/rpm-software-management/deltarpm
@@ -94,6 +94,9 @@ cd -
 %{_bindir}/drpmsync
 
 %changelog
+* Tue Jul 08 2025  openeuler_bot <infra@openeuler.sh> - 3.6.4-1
+- update deltarpm to 3.6.4 
+
 * Tue Sep 20 2022 zhoushuiqing <zhoushuiqing2@huawei.com> - 3.6.3-2
 - Type:CVE
 - CVE:CVE-2005-1849,CVE-2016-9840,CVE-2016-9841,CVE-2016-9843,CVE-2018-25032,CVE-2022-37434