diff --git a/Dockerfile b/Dockerfile
index 3531038118204dec7244bd325d9014573619d5f8..d72745d8d2df801cdab4c7a88e85b54effb5aba1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,13 +8,17 @@ FROM renku/renkulab-py:3.7-renku0.10.4-0.6.3
 # Uncomment and adapt if your R or python packages require extra linux (ubuntu) software
 # e.g. the following installs apt-utils and vim; each pkg on its own line, all lines
 # except for the last end with backslash '\' to continue the RUN line
-#
-# USER root
-# RUN apt-get update && \
-#    apt-get install -y --no-install-recommends \
-#    apt-utils \
-#    vim
-# USER ${NB_USER}
+
+USER root
+RUN apt-get update && \
+   apt-get install -y --no-install-recommends \
+   apt-utils \
+   cd /home/work/hslu-deep-learning/notebooks/Block_5/Seleniumtest
+   wget https://github.com/mozilla/geckodriver/releases/download/v0.24.0/geckodriver-v0.24.0-linux64.tar.gz
+   tar -xvzf geckodriver*
+   chmod +x geckodriver
+   export PATH=$PATH:/home/work/hslu-deep-learning/notebooks/Block_5/Seleniumtests/.
+USER ${NB_USER}
 
 # install the python dependencies
 COPY requirements.txt environment.yml /tmp/
@@ -24,7 +28,6 @@ RUN conda env update -q -f /tmp/environment.yml && \
     conda env export -n "root"
 
 # add chromedriver and geckodriver to PATH
-ENV PATH "$PATH:/home/work/hslu-deep-learning/notebooks/Block_5/Seleniumtest/chromedriver"
+
 ENV PATH="/home/work/hslu-deep-learning/notebooks/Block_5/Seleniumtest/geckodriver:${PATH}"
-ENV PATH="notebooks/Block_5/Seleniumtest/chromedriver:${PATH}"
 ENV PATH "$PATH:/notebooks/Block_5/Seleniumtest/geckodriver"
diff --git a/notebooks/Block_5/Seleniumtest/chromedriver b/notebooks/Block_5/Seleniumtest/chromedriver
deleted file mode 100755
index 6ee2a44f820cac1b5d8b4a067ec15c5298e4b563..0000000000000000000000000000000000000000
Binary files a/notebooks/Block_5/Seleniumtest/chromedriver and /dev/null differ
diff --git a/notebooks/Block_5/Seleniumtest/chromedriver_linux64.zip b/notebooks/Block_5/Seleniumtest/chromedriver_linux64.zip
deleted file mode 100644
index c3a888c952398cc8dde783d4ca3db3426f1a9743..0000000000000000000000000000000000000000
Binary files a/notebooks/Block_5/Seleniumtest/chromedriver_linux64.zip and /dev/null differ
diff --git a/notebooks/Block_5/Seleniumtest/geckodriver b/notebooks/Block_5/Seleniumtest/geckodriver
deleted file mode 100755
index bac836bb55f7bec9306c70d7be0e223cef468e3e..0000000000000000000000000000000000000000
Binary files a/notebooks/Block_5/Seleniumtest/geckodriver and /dev/null differ
diff --git a/notebooks/Block_5/Seleniumtest/geckodriver-v0.24.0-linux64.tar.gz b/notebooks/Block_5/Seleniumtest/geckodriver-v0.24.0-linux64.tar.gz
deleted file mode 100644
index f85fb6032ec71cb59cc0a802229ba6271222ad8c..0000000000000000000000000000000000000000
Binary files a/notebooks/Block_5/Seleniumtest/geckodriver-v0.24.0-linux64.tar.gz and /dev/null differ