diff --git a/Dockerfile b/Dockerfile
index ab0cdad..0432436 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,6 +19,7 @@ RUN <<EOF
   apt-get update
   apt-get --no-install-recommends -y install \
     samba \
+    uuidgen \
     wimtools \
     dos2unix \
     cabextract \