diff --git a/configure_priv.sh b/configure_priv.sh
index 45ad288..8397fc4 100755
--- a/configure_priv.sh
+++ b/configure_priv.sh
@@ -61,7 +61,7 @@ configure_install_basic() {
 configure_install_useful() {
     if [ "$(uname)" = "Darwin" ]; then
         [ "$1" != "noupdate" ] && brew update
-        brew install hexyl bat tree
+        brew install hexyl bat tree p7zip-full
     else
         [ "$1" != "noupdate" ] && sudo apt-get update
         sudo apt-get install hexyl bat tree fd-find fzf tcptraceroute -y