diff --git a/grubby-bls b/grubby-bls
index f2a6bab..ed50ec3 100755
--- a/grubby-bls
+++ b/grubby-bls
@@ -630,7 +630,11 @@ update_grubcfg()
     fi
 
     if [[ $RUN_MKCONFIG = "true" ]]; then
-        grub2-mkconfig --no-grubenv-update -o "${grub_config}" >& /dev/null
+        if [[ $bootloader = "zipl" ]]; then
+            zipl
+        else
+            grub2-mkconfig --no-grubenv-update -o "${grub_config}" &> /dev/null
+        fi
     fi
 }
 
diff --git a/grubby.spec b/grubby.spec
index 7539a0b..7085b59 100644
--- a/grubby.spec
+++ b/grubby.spec
@@ -3,7 +3,7 @@
 
 Name: grubby
 Version: 8.40
-Release: 78%{?dist}
+Release: 79%{?dist}
 Summary: Command line tool for updating bootloader configs
 License: GPL-2.0-or-later
 Source1: grubby-bls
@@ -74,6 +74,10 @@ fi
 %{_mandir}/man8/grubby.8*
 
 %changelog
+* Fri Dec 06 2024 Leo Sandoval <lsandova@redhat.com> - 8.40-79
+- grubby-bls: in s390* systems, run zipl on grub cfg update event
+  Resolves: #RHEL-36092
+
 * Thu Dec 05 2024 Leo Sandoval <lsandova@redhat.com> - 8.40-78
 - On grub cfg updates, run grub2-mkconfig for Xen systems
   Resolves: #RHEL-70200