diff --git a/Dockerfile b/Dockerfile
index 66db272..c04a14d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,8 @@ FROM java:8
 MAINTAINER davidrpugh <david.pugh@maths.ox.ac.uk>
 
 RUN apt-get update -y && \
-    apt-get install -y wget bzip2
+    apt-get install -y bzip2 wget && \
+    apt-get clean
 
 # Run docker image with non-root user as security precaution
 RUN useradd --create-home --shell /bin/bash main
@@ -18,7 +19,6 @@ WORKDIR $HOME
 USER root
 RUN chown -R main:main /home/main
 
-
 # Install minconda3 package manager...
 USER main
 RUN echo "Downloading Miniconda..." && \
@@ -29,6 +29,5 @@ ENV PATH $HOME/miniconda3/bin:$PATH
 
 # Install various Python dependencies...
 RUN conda install --yes jupyter
-RUN conda install --yes numpy pandas scipy \
-    matplotlib seaborn bokeh
+RUN conda install --yes numpy pandas scipy matplotlib seaborn bokeh
 RUN conda clean --yes --tarballs
\ No newline at end of file