diff --git a/Dockerfile b/Dockerfile
index 74a2c99..9b30db8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,6 +20,8 @@ RUN apk add --no-cache --virtual .build-deps \
     && rm -Rf catalyst \
     && apk del .build-deps
 
+RUN apk add coreutils rhash
+
 # Override Stage3 preclean to add perl-cleaner invocation
 COPY stage3-preclean-chroot.sh \
     /usr/share/catalyst/targets/stage3/stage3-preclean-chroot.sh