diff --git a/.gitignore b/.gitignore
index 507e3f4..b9b4cd4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ root/
 v00001/
 boot/
 image.squashfs
+cache/
diff --git a/alpine.lua b/alpine.lua
index 1add0d3..40d4e3a 100644
--- a/alpine.lua
+++ b/alpine.lua
@@ -94,12 +94,21 @@ end
 
 -- Returns nil when no failure, otherwise string error or apk's status code
 function alpine.make_world(rootfs_path, packages)
+	local err = alpine.symlink(rootfs_path, "/etc/apk/cache", "../../../cache")
+	if err then return err end
+	local err = alpine.mkdir(rootfs_path, "../cache")
+	if err then return err end
+
 	local err = alpine.write_file(rootfs_path,
 		"/etc/apk/world",
 		utils.join_table(packages, "\n"))
 	if err then return err end
 
-	local status = os.execute("sudo apk upgrade --clean-protected --no-cache --root "..rootfs_path)
+	local status = os.execute("sudo apk upgrade --clean-protected --root "..rootfs_path)
+	if not (status == 0) then return status end
+
+	local status = os.execute(t("rm {{rootfs_path}}/etc/apk/cache",
+		{ rootfs_path = rootfs_path }))
 	if not (status == 0) then return status end
 end