diff --git a/core/busybox/build b/core/busybox/build
index 0fb1cebe..ff92493f 100755
--- a/core/busybox/build
+++ b/core/busybox/build
@@ -1,10 +1,7 @@
 #!/bin/sh -e
 
 make
-make install
-
-# Work around no 'DESTDIR'.
-cp -a _install/. "$1"
+make CONFIG_PREFIX="$1" install
 
 # Fix package filesystem.
 mv "$1/bin/"* "$1/usr/bin"
diff --git a/core/busybox/depends b/core/busybox/depends
index f25a5a1e..49b59d3f 100644
--- a/core/busybox/depends
+++ b/core/busybox/depends
@@ -1,3 +1,4 @@
+bzip2
 gzip
 libressl make
 linux-headers make
diff --git a/core/busybox/version b/core/busybox/version
index a2f8f7b6..16fb56a6 100644
--- a/core/busybox/version
+++ b/core/busybox/version
@@ -1 +1 @@
-1.31.0 1
+1.31.0 2
diff --git a/core/kiss-bootstrap/depends b/core/kiss-bootstrap/depends
index a2572172..800e7507 100644
--- a/core/kiss-bootstrap/depends
+++ b/core/kiss-bootstrap/depends
@@ -4,6 +4,7 @@ baselayout      make
 binutils        make
 bison           make
 busybox         make
+bzip2           make
 ca-certificates make
 curl            make
 fakeroot        make
diff --git a/core/kiss-bootstrap/version b/core/kiss-bootstrap/version
index 9c67935b..0d6a524b 100644
--- a/core/kiss-bootstrap/version
+++ b/core/kiss-bootstrap/version
@@ -1 +1 @@
-1 4
+1 5