diff --git a/clean_images/packages.list b/clean_images/packages.list
index c2d5639..57429fe 100644
--- a/clean_images/packages.list
+++ b/clean_images/packages.list
@@ -33,3 +33,5 @@ git
 createrepo
 rpm-build
 ./rpms_to_install/qubes-core-vm-kernel-placeholder.rpm
+ltrace
+strace