diff --git a/dpdk.spec b/dpdk.spec
index b4d48cb43ab170f52de55a82f063d81298f940b9..4121e42a445e95fc8b16ebd4881c2aba41fa2a75 100644
--- a/dpdk.spec
+++ b/dpdk.spec
@@ -1,6 +1,6 @@
 Name: dpdk
 Version: 21.11
-Release: 75
+Release: 76
 Packager: packaging@6wind.com
 URL: http://dpdk.org
 %global source_version  21.11
@@ -667,14 +667,25 @@ strip -g $RPM_BUILD_ROOT/lib/modules/%{kern_devel_ver}/extra/dpdk/igb_uio.ko
 /usr/local/bin/gazelle-pdump
 
 %post
+if [ -e /sbin/weak-modules ]; then
+    echo "/lib/modules/%{kern_devel_ver}/extra/dpdk/igb_uio.ko" | /sbin/weak-modules --add-modules --no-initramfs
+    echo "/lib/modules/%{kern_devel_ver}/extra/dpdk/rte_kni.ko" | /sbin/weak-modules --add-modules --no-initramfs
+fi
 /sbin/ldconfig
 /usr/sbin/depmod
 
 %postun
+if [ -e /sbin/weak-modules ]; then
+    echo "/lib/modules/%{kern_devel_ver}/extra/dpdk/rte_kni.ko" | /sbin/weak-modules --remove-modules --no-initramfs > /dev/null 2>&1
+    echo "/lib/modules/%{kern_devel_ver}/extra/dpdk/igb_uio.ko" | /sbin/weak-modules --remove-modules --no-initramfs > /dev/null 2>&1
+fi
 /sbin/ldconfig
 /usr/sbin/depmod
 
 %changelog
+* Mon Sep 30 2024 lifeifei <lifeifei@kylinos.cn> - 21.11-76
+ create weak dependency for ko files
+
 * Sun Sep 29 2024 yangchen <yangchen145@huawei.com> - 21.11-75
  af_xdp: build XDP_USE_SG and XDP_PKT_CONTD require kernel-headers