diff --git a/lib/prereqs/Debian/pkgs b/lib/prereqs/Debian/pkgs
index 5dccfb9..e8fc697 100644
--- a/lib/prereqs/Debian/pkgs
+++ b/lib/prereqs/Debian/pkgs
@@ -1,10 +1,26 @@
+binutils
+binutils-dev
 curl
 dosfstools
+gcc
+gcc-multilib
 git
+isolinux
+libiberty-dev
 libisoburn1
 lynx
+liblzma5
+liblsma-dev
+make
+mtools
+patch
+perl
 rsync
 sed
 squashfs-tools
+syslinux
+syslinux-efi
 xorriso
 xz-utils
+zlib1g
+zlib1g-dev
diff --git a/lib/prereqs/RHEL/pkgs b/lib/prereqs/RHEL/pkgs
index 3cc03ac..4a6ac3c 100644
--- a/lib/prereqs/RHEL/pkgs
+++ b/lib/prereqs/RHEL/pkgs
@@ -6,6 +6,7 @@ git
 libisofs
 lynx
 make
+mtools
 patch
 perl
 rsync
diff --git a/lib/prereqs/Ubuntu/pkgs b/lib/prereqs/Ubuntu/pkgs
index 5dccfb9..e8fc697 100644
--- a/lib/prereqs/Ubuntu/pkgs
+++ b/lib/prereqs/Ubuntu/pkgs
@@ -1,10 +1,26 @@
+binutils
+binutils-dev
 curl
 dosfstools
+gcc
+gcc-multilib
 git
+isolinux
+libiberty-dev
 libisoburn1
 lynx
+liblzma5
+liblsma-dev
+make
+mtools
+patch
+perl
 rsync
 sed
 squashfs-tools
+syslinux
+syslinux-efi
 xorriso
 xz-utils
+zlib1g
+zlib1g-dev