diff --git a/RHEL-9.sh b/RHEL-9.sh
index 3464321..8767346 100644
--- a/RHEL-9.sh
+++ b/RHEL-9.sh
@@ -89,6 +89,12 @@ sudo systemctl enable --now dnf-automatic.timer
 # Remove unnecessary packages
 sudo dnf remove -y cockpit*
 
+# Install hardened_malloc
+sudo dnf copr enable secureblue/hardened_malloc -y
+sudo dnf install -y hardened_malloc
+echo 'libhardened_malloc.so' | sudo tee /etc/ld.so.preload
+sudo chmod 644 /etc/ld.so.preload
+
 # Install appropriate virtualization drivers
 if [ "$virtualization" = 'kvm' ]; then
     sudo dnf install -y qemu-guest-agent