diff --git a/README.md b/README.md
index 367a542..fbfbf86 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ podman run -it --rm -p 8000:8000 docker.io/library/alpine:3.14  # v3.15 can't se
 Then within the container:
 
 ```bash
-apk add --no-cache build-base bsd-compat-headers m4 openssl-dev libmagic libuuid lmdb lmdb-dev git readline-dev autoconf automake libtool zlib-dev vips ncurses wget unzip openssl bash
+apk add --no-cache build-base bsd-compat-headers m4 openssl-dev libmagic libuuid lmdb lmdb-dev git readline-dev autoconf automake libtool zlib-dev vips ncurses wget unzip openssl util-linux-dev bash
 git config --global url."https://".insteadOf git:// # for luarocks pulling from github; it uses unencrypted
 git clone https://git.sakal.us/brian/luaver.git ~/.luaver
 bash