diff --git a/etc/README b/etc/README
index 8c3c0d3..a7fabe9 100644
--- a/etc/README
+++ b/etc/README
@@ -13,8 +13,8 @@ A Midipix distribution consists of the following:
   libraries such as ncurses, libressl, as well as Perl and Python.
 
 ## Build-time dependencies
-* **Alpine Linux**: binutils bzip2 cmake coreutils findutils g++ gawk gcc git grep gzip libc-dev linux-headers lzip make musl-dev net-tools patch procps sed tar util-linux wget xz zip
-* **Debian/-derived Linux**: binutils bzip2 clzip cmake coreutils curl findutils g++ gawk gcc git grep gzip hostname libc6-dev lzma make patch procps sed tar util-linux wget xz-utils zip
+* **Alpine Linux**: binutils bzip2 cmake coreutils findutils g++ gawk gcc git grep gzip libc-dev linux-headers lzip make musl-dev net-tools patch perl perl-xml-parser procps sed tar util-linux wget xz zip
+* **Debian/-derived Linux**: binutils bzip2 clzip cmake coreutils curl findutils g++ gawk gcc git grep gzip hostname libc6-dev libxml-parser-perl lzma make patch perl procps sed tar util-linux wget xz-utils zip
 
 > N.B. Some packages (*coreutils*, *grep*, and *tar*, among others) override
 Alpine's BusyBox utilities of the same name, as the latter are either non-
diff --git a/subr/build_init.subr b/subr/build_init.subr
index 97a18ff..955ae16 100644
--- a/subr/build_init.subr
+++ b/subr/build_init.subr
@@ -164,9 +164,9 @@ buildp_init_prereqs() {
 	for _cmd in	\
 			awk bunzip2 cat chmod cmake cp date find flock g++	\
 			gcc git grep gunzip gzip hostname install kill		\
-			ln lzip make mkdir mkfifo mv paste patch pgrep		\
-			pkill printf readlink rm sed seq sha256sum sort		\
-			stat tail tar test touch tr wget xz zip; do
+			ln lzip make mkdir mkfifo mv paste patch perl		\
+			pgrep pkill printf readlink rm sed seq sha256sum	\
+			sort stat tail tar test touch tr wget xz zip; do
 		if ! which "${_cmd}" >/dev/null; then
 			_cmds_missing="${_cmds_missing:+${_cmds_missing} }${_cmd}";
 		fi;