diff --git a/Dockerfile b/Dockerfile
index 098529463..2a4615f7e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ ENV LANG=C.UTF-8 \
     DEBIAN_FRONTEND=noninteractive \
     PYTHONDONTWRITEBYTECODE=1
 WORKDIR /kubespray
-COPY *yml .
+COPY *.yml ./
 COPY roles ./roles
 COPY contrib ./contrib
 COPY inventory ./inventory
diff --git a/test-infra/vagrant-docker/Dockerfile b/test-infra/vagrant-docker/Dockerfile
index b78b619ec..f12a7409a 100644
--- a/test-infra/vagrant-docker/Dockerfile
+++ b/test-infra/vagrant-docker/Dockerfile
@@ -7,7 +7,7 @@ ENV VAGRANT_VERSION=2.3.4
 ENV VAGRANT_DEFAULT_PROVIDER=libvirt
 ENV VAGRANT_ANSIBLE_TAGS=facts
 
-RUN apt-get update && apt-get install -y wget libvirt-dev openssh-client rsync git
+RUN apt-get update && apt-get install -y wget libvirt-dev openssh-client rsync git build-essential
 
 # Install Vagrant
 RUN wget https://releases.hashicorp.com/vagrant/${VAGRANT_VERSION}/vagrant_${VAGRANT_VERSION}-1_amd64.deb && \