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-rw-r--r--build/docker/Dockerfile2
1 files changed, 1 insertions, 1 deletions
diff --git a/build/docker/Dockerfile b/build/docker/Dockerfile
index 0d2bfd708..1bb56b795 100644
--- a/build/docker/Dockerfile
+++ b/build/docker/Dockerfile
@@ -17,7 +17,7 @@ ENV DEBIAN_FRONTEND noninteractive
RUN apt-get update
RUN apt-get install -y software-properties-common python-software-properties \
- make python-setuptools python-all dpkg-dev debhelper \
+ make python-setuptools python-all dpkg-dev debhelper ruby-json \
fuseiso git genisoimage bind9-host wget curl lintian tmux lxc iptables \
ca-certificates sudo apt-utils lsb-release dosfstools debmirror p7zip-full \
build-essential ruby-dev rubygems-integration python-pip git rpm createrepo dpkg-dev