diff --git a/build-bootstraps.sh b/build-bootstraps.sh
index d909d12..c535a1c 100755
--- a/build-bootstraps.sh
+++ b/build-bootstraps.sh
@@ -407,8 +407,10 @@ main() {
 		PACKAGES+=("coreutils")
 		PACKAGES+=("libxslt")
 		PACKAGES+=("libxml2")
+		PACKAGES+=("unzip")
 		PACKAGES+=("ruby")
 		PACKAGES+=("git")
+		PACKAGES+=("zip")
 
 		# Handle additional packages.
 		for add_pkg in "${ADDITIONAL_PACKAGES[@]}"; do