diff --git a/lorax.spec b/lorax.spec
index 820ce72a..13302a40 100644
--- a/lorax.spec
+++ b/lorax.spec
@@ -43,6 +43,7 @@ Requires:       pigz
 Requires:       pbzip2
 Requires:       dracut >= 030
 Requires:       kpartx
+Requires:       psmisc
 
 # Python modules
 Requires:       libselinux-python3