- try to fix docker-travis-failure

diff --git a/Dockerfile.tumbleweed b/Dockerfile.tumbleweed
index 17b15c8165f2617c502f0a32438ff4ab32e295ea..592d1b81697d1f0596601e7e131a682d5e486bea 100644 (file)
--- a/Dockerfile.tumbleweed
+++ b/Dockerfile.tumbleweed
@@ -52,6 +52,7 @@ RUN RUBY_VERSION=ruby:`rpm --eval '%{rb_ver}'` && \
   perl-JSON \
   rpm-build \
   "rubygem($RUBY_VERSION:ruby-dbus)" \
+  util-linux \
   which
 
 RUN mkdir -p /usr/src/app