diff --git a/.binder/Dockerfile b/.binder/Dockerfile
index 0cc897d..90e3e88 100644
--- a/.binder/Dockerfile
+++ b/.binder/Dockerfile
@@ -11,17 +11,13 @@ RUN adduser --disabled-password \
     --uid ${NB_UID} \
     ${NB_USER}
 
-RUN mamba install -y \
-    notebook jupyterlab \
-    && mamba clean -ya
+RUN pip install notebook jupyterlab
 
 COPY ./examples ${HOME}/examples
+
 USER root
 RUN chown -R ${NB_UID} ${HOME}
 
 USER ${NB_USER}
 
-RUN /opt/conda/bin/conda init bash \
-    && /opt/conda/bin/conda config --set auto_activate_base true
-
 ENTRYPOINT []
diff --git a/.binder/postBuild b/.binder/postBuild
old mode 100644
new mode 100755
index 74b7702..639427e
--- a/.binder/postBuild
+++ b/.binder/postBuild
@@ -1,5 +1,6 @@
+#!/bin/bash
 
 mkdir -p /home/${USER}/examples
 echo "cd /home/${USER}/examples" > /home/${USER}/.bashrc
 
-python -c "import geant4_python_application; geant4_python_application.install_datasets()"
+# python -c "import geant4_python_application; geant4_python_application.install_datasets()"