diff --git a/docker/atari/Dockerfile b/docker/atari/Dockerfile
index f883fd3d..bb437e88 100644
--- a/docker/atari/Dockerfile
+++ b/docker/atari/Dockerfile
@@ -10,11 +10,10 @@ FROM ${base_image}
 RUN mkdir /root/roms
 COPY ./Roms.rar /root/roms/
 
-RUN apt-get install rar unzip -y
-RUN rar x /root/roms/Roms.rar /root/roms/
+RUN apt-get install unrar -y
+RUN unrar x -o+ /root/roms/Roms.rar /root/roms/
 
 # Install ROMs with ale-py.
 RUN pip install atari_py ale-py
-RUN unzip /root/roms/ROMS.zip -d /root/roms
 RUN python -m atari_py.import_roms /root/roms
 RUN ale-import-roms /root/roms/ROMS