diff --git a/python-kmod.spec b/python-kmod.spec
index 853e468..d171273 100644
--- a/python-kmod.spec
+++ b/python-kmod.spec
@@ -1,11 +1,12 @@
 Name:           python-kmod
 Version:        0.9.1
-Release:        3
+Release:        4
 Summary:        Python module to work with kernel modules
 License:        LGPLv2+
 URL:            https://github.com/agrover/python-kmod/
 Source0:        https://files.pythonhosted.org/packages/source/k/kmod/kmod-%{version}.tar.gz
 BuildRequires:  python3-devel python3-Cython python3 kmod-devel python3-unversioned-command
+BuildRequires:  kmod-libs perl gcc
 
 %global _description\
 Python bindings for kmod/libkmod. \
@@ -39,6 +40,12 @@ Summary:        Python module to work with kernel modules
 %doc README
 
 %changelog
+* Wed Jun 23 2021 shangyibin <shangyibin1@huawei.com> - 0.9.1-4
+- Type:bufix
+- CVE:NA
+- SUG:NA
+- DESC:add kmod-libs,perl,and gcc BuildRequires
+
 * Tue Mar 23 2021 shixuantong <shixuantong@huawei.com> - 0.9.1-3
 - Type:bufix
 - CVE:NA