diff --git a/Documentation/BuildInstructionsOther.md b/Documentation/BuildInstructionsOther.md
index 80ec35b4387..34f663ead06 100644
--- a/Documentation/BuildInstructionsOther.md
+++ b/Documentation/BuildInstructionsOther.md
@@ -75,6 +75,9 @@ First, make sure you have enabled the `community` repository in `/etc/apk/reposi
 # the basics, if you have not already done so
 apk add bash curl git util-linux sudo
 
+# GNU coreutils for GNU's version of `du`
+apk add coreutils
+
 # rough equivalent of build-essential
 apk add build-base