diff --git a/tools/docker-format/Dockerfile b/tools/docker-format/Dockerfile
index 29bc871b..8f7850d5 100644
--- a/tools/docker-format/Dockerfile
+++ b/tools/docker-format/Dockerfile
@@ -1,8 +1,28 @@
 FROM ubuntu:cosmic
 
+# repositories are obsolete. the image need to be changed.
+RUN perl -pi -e 's@//archive@//old-releases@g' /etc/apt/sources.list
+# disable security updates altogether
+RUN perl -pi -e 's@^(.*security.*)$@#$1@g' /etc/apt/sources.list
+
 RUN apt update && \
-    apt install -y clang-format golang git python-pip && \
-    go get -v github.com/bazelbuild/buildtools/buildifier && \
+    apt install -y clang-format git python-pip && \
     pip install 'cmake_format>=0.5.2'
 
+# brings golang to 1.10 by default.bazelbuilds wants 1.12 minimum....
+#RUN apt install -y golang
+
+RUN apt install -y curl
+RUN curl -sL https://dl.google.com/go/go1.13.3.linux-amd64.tar.gz -o go1.13.3.linux-amd64.tar.gz
+RUN tar -xf go1.13.3.linux-amd64.tar.gz
+RUN mv go /usr/local/go-1.13
+RUN rm go1.13.3.linux-amd64.tar.gz
+
+ENV GOROOT=/usr/local/go-1.13
+ENV GOPATH=/root/go
+RUN mkdir ${GOPATH}
+
+RUN ${GOROOT}/bin/go get github.com/bazelbuild/buildtools/buildifier
+ENV PATH=${GOPATH}/bin:${GOROOT}/bin:${PATH}
+
 CMD ["/bin/bash"]