diff --git a/ansible/roles/docker/molecule/default/molecule.yml b/ansible/roles/docker/molecule/default/molecule.yml
index 9a87184..7754d27 100644
--- a/ansible/roles/docker/molecule/default/molecule.yml
+++ b/ansible/roles/docker/molecule/default/molecule.yml
@@ -17,6 +17,7 @@
       container: docker
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
+      - /dev:/dev:ro
 provisioner:
   name: ansible
   lint:
diff --git a/ansible/test/images/docker/centos7/Dockerfile b/ansible/test/images/docker/centos7/Dockerfile
index b36d58c..67e3fb9 100644
--- a/ansible/test/images/docker/centos7/Dockerfile
+++ b/ansible/test/images/docker/centos7/Dockerfile
@@ -3,7 +3,7 @@
 RUN yum -y update && yum clean all
 
 RUN yum -y install openssh-server sudo openssh-clients \
-    epel-release python-docker-py iproute
+    epel-release python-docker-py iproute e2fsprogs
 RUN systemctl enable sshd.service
 
 VOLUME ["/run"]