diff --git a/qemu.spec b/qemu.spec
index f85acd38a8b5e1ae8956e5734bce6d9b249f8a86..4e485d485e2b96c1d361f242f039e97747fbdb02 100644
--- a/qemu.spec
+++ b/qemu.spec
@@ -1,6 +1,6 @@
 Name: qemu
 Version: 4.1.0
-Release: 40
+Release: 41
 Epoch: 2
 Summary: QEMU is a generic and open source machine emulator and virtualizer
 License: GPLv2 and BSD and MIT and CC-BY-SA-4.0
@@ -314,6 +314,7 @@ Requires(post): /usr/sbin/useradd
 Requires(post): systemd-units
 Requires(preun): systemd-units
 Requires(postun): systemd-units
+Requires(postun): qemu-block-iscsi
 
 %description
 QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.
@@ -640,6 +641,9 @@ getent passwd qemu >/dev/null || \
 %endif
 
 %changelog
+* Tue May 11 2021 Ming Yang <yangming73@huawei.com>
+- add qemu-block-iscsi requirement for qemu.
+
 * Tue May 11 2021 Chen Qun <kuhn.chenqun@huawei.com>
 - hw/sd: sdhci: Don't transfer any data when command time out
 - hw/sd: sdhci: Don't write to SDHC_SYSAD register when transfer is in progress