diff --git a/README.md b/README.md
index 992829a7..a1e0295c 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ RASCIL can be installed using pip::
     
 You may also need the rascil data for simulations:
 
-    wget https://timcornwell.gitlab.io/rascil/rascil_data.tgz
+    curl https://timcornwell.gitlab.io/rascil/rascil_data.tgz -o rascil.data.tgz
     tar zxf rascil_data.tgz
     export RASCIL_DATA=`pwd`/rascil_data
 
diff --git a/docker/rascil-no-data/Dockerfile b/docker/rascil-no-data/Dockerfile
index 8dd1302c..6e1e02a6 100644
--- a/docker/rascil-no-data/Dockerfile
+++ b/docker/rascil-no-data/Dockerfile
@@ -9,7 +9,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update -y && apt-get install -y \
     ca-certificates \
-    gosu git \
+    gosu git wget curl \
     libxml2-dev liblapack-dev libcfitsio-dev libgtkmm-3.0-dev \
     cmake g++ build-essential gfortran libpng-dev casacore-dev \
     python3 python3-dev python3-pip python3-setuptools && \
@@ -44,7 +44,7 @@ RUN pip3 install Cython setuptools && \
     jupyter_contrib_nbextensions \
     jupyter-server-proxy \
     jupyterlab \
-    matplotlib \
+    "matplotlib<3.1.3" \
     photutils\
     python-casacore \
     reproject \
@@ -58,4 +58,4 @@ RUN pip3 install Cython setuptools && \
 # Use entrypoint script to create a user on the fly and avoid running as root.
 RUN chmod +x /rascil/entrypoint.sh
 ENTRYPOINT ["/rascil/entrypoint.sh"]
-CMD ["/bin/bash"]
\ No newline at end of file
+CMD ["/bin/bash"]
diff --git a/docker/rascil-pip/Dockerfile b/docker/rascil-pip/Dockerfile
index ed0c2d50..2b1c5fe9 100644
--- a/docker/rascil-pip/Dockerfile
+++ b/docker/rascil-pip/Dockerfile
@@ -9,7 +9,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update -y && apt-get install -y \
     ca-certificates \
-    gosu git \
+    gosu git curl \
     libxml2-dev liblapack-dev libcfitsio-dev libgtkmm-3.0-dev \
     cmake g++ build-essential gfortran libpng-dev casacore-dev \
     python3 python3-dev python3-pip python3-setuptools && \
diff --git a/docs/RASCIL_install.rst b/docs/RASCIL_install.rst
index ec947ee2..45de4c8a 100644
--- a/docs/RASCIL_install.rst
+++ b/docs/RASCIL_install.rst
@@ -14,7 +14,7 @@ If you just wish to run the package and do not intend to run simulations or test
 
 For simulations, you can add the data in a separate step::
 
-    wget https://timcornwell.gitlab.io/rascil/rascil_data.tgz
+    curl https://timcornwell.gitlab.io/rascil/rascil_data.tgz -o rascil.data.tgz
     tar zxf rascil_data.tgz
     export RASCIL_DATA=`pwd`/rascil_data