diff --git a/RHEL-9.sh b/RHEL-9.sh
index 339e6b0..81113fc 100644
--- a/RHEL-9.sh
+++ b/RHEL-9.sh
@@ -215,6 +215,12 @@ unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd
 sudo systemctl daemon-reload
 sudo systemctl restart NetworkManager
 
+# irqbalance Hardening
+sudo mkdir -p /etc/systemd/system/irqbalance.service.d
+unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/irqbalance.service.d/99-brace.conf | sudo tee /etc/systemd/system/irqbalance.service.d/99-brace.conf
+sudo systemctl daemon-reload
+sudo systemctl restart irqbalance
+
 # Setup notices
 unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/issue | sudo tee /etc/issue
 unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/issue | sudo tee /etc/issue.net