-RUN wget -O /root/.vimrc http://git.grml.org/f/grml-etc-core/etc/vim/vimrc
-RUN wget -O /root/.zshrc http://git.grml.org/f/grml-etc-core/etc/zsh/zshrc
+RUN wget -O /root/.vimrc https://raw.githubusercontent.com/grml/grml-etc-core/master/etc/vim/vimrc
+RUN wget -O /root/.zshrc https://raw.githubusercontent.com/grml/grml-etc-core/master/etc/zsh/zshrc