diff --git a/documentation/poky.ent b/documentation/poky.ent
index ebc5af4393..79664c2fb3 100644
--- a/documentation/poky.ent
+++ b/documentation/poky.ent
@@ -61,7 +61,7 @@
 <!ENTITY OE_INIT_PATH "&YOCTO_POKY;/oe-init-build-env">
 <!ENTITY OE_INIT_FILE "oe-init-build-env">
 <!ENTITY UBUNTU_HOST_PACKAGES_ESSENTIAL "gawk wget git-core diffstat unzip texinfo gcc-multilib \
-     build-essential chrpath socat">
+     build-essential chrpath socat cpio python python3">
 <!ENTITY FEDORA_HOST_PACKAGES_ESSENTIAL "gawk make wget tar bzip2 gzip python3 unzip perl patch \
      diffutils diffstat git cpp gcc gcc-c++ glibc-devel texinfo chrpath \
      ccache perl-Data-Dumper perl-Text-ParseWords perl-Thread-Queue perl-bignum socat \