diff --git a/openvswitch.spec b/openvswitch.spec
index e7e23ca35f9a567e67ec7e30072548d1e5fd79c0..3816ec58ab2b584b48b15015529f57b3531c0320 100644
--- a/openvswitch.spec
+++ b/openvswitch.spec
@@ -13,7 +13,7 @@ Name: openvswitch
 Summary: Open vSwitch daemon/database/utilities
 URL: https://www.openvswitch.org/
 Version: 2.17.5
-Release: 5
+Release: 6
 License: ASL 2.0 and LGPLv2+ and SISSL
 
 Source0: https://www.openvswitch.org/releases/%{name}-%{version}.tar.gz
@@ -321,7 +321,7 @@ done
 
 %if %{with dpdk}
 %post dpdk
-if fgrep -qw sse4_1 /proc/cpuinfo; then
+if grep -Fqw sse4_1 /proc/cpuinfo; then
     priority=20
 else
     echo "Warning: the CPU doesn't support SSE 4.1, dpdk support is not enabled." >&2
@@ -426,6 +426,9 @@ fi
 %{_sysconfdir}/sysconfig/network-scripts/ifdown-ovs
 
 %changelog
+* Tue Aug 29 2023 zhangpan <zhangpan103@h-partners.com> - 2.17.5-6
+- replace fgrep witch grep -F
+
 * Mon Aug 28 2023 zhouwenpei <zhouwenpei1@h-partners.com> - 2.17.5-5
 - sync pulls/150: clean up openswitch group and user