diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 4625688..21c182f 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     
     - name: Build the base Docker image
       run: |
diff --git a/base/Dockerfile b/base/Dockerfile
index e7df23b..8e90170 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -2,7 +2,7 @@
 # A base Docker image for Python-based computational neuroscience and neurophysiology
 #
 
-FROM neurodebian:focal
+FROM neurodebian:jammy
 MAINTAINER andrew.davison@unic.cnrs-gif.fr
 
 ENV DEBIAN_FRONTEND noninteractive
diff --git a/osb/Dockerfile b/osb/Dockerfile
index befbae5..d8eef63 100644
--- a/osb/Dockerfile
+++ b/osb/Dockerfile
@@ -14,7 +14,7 @@ MAINTAINER p.gleeson@gmail.com
 USER root
 
 RUN apt-get update
-RUN apt-get install -y default-jdk python-tk python-lxml octave maven
+RUN apt-get install -y default-jdk python-tk octave maven
 RUN apt-get install -y htop libxml2-dev libxslt-dev zlib1g-dev
 RUN apt-get install -y python3-setuptools unzip
 
@@ -23,11 +23,12 @@ RUN /bin/bash -c "source ~/env/neurosci/bin/activate"
 #### Set versions
 
 # This will set the versions of simulators installed with 'omv install ...'
-ENV OMV_VER=v0.2.13
+ENV OMV_VER=v0.3.3
 
-ENV PYNEUROML_VER=1.1.1
-ENV NETPYNE_VER=1.0.5
-ENV EDEN_VER=0.2.2
+ENV PYNEUROML_VER=1.3.8
+ENV NETPYNE_VER=1.0.6
+# omv install arbor with 0.9.0 throwing 'Illegal instruction'..?
+ENV ARBOR_VER=0.8.1  
 
 
 # Install NeuroML Python libraries
@@ -82,7 +83,7 @@ RUN $VENV/bin/pip install netpyne==$NETPYNE_VER
 # Install OSB_API
 
 RUN git clone https://github.com/OpenSourceBrain/OSB_API.git
-RUN cd OSB_API/python && python setup.py install && cd -
+RUN cd OSB_API/python && pip install . && cd -
 
 
 # Install neuroConstruct
@@ -97,18 +98,18 @@ RUN omv install moose
 
 # Install Arbor
 
-RUN omv install arbor
+RUN omv install arbor:$ARBOR_VER 
 
 # Install EDEN
 
-RUN $VENV/bin/pip install eden-simulator==$EDEN_VER
+RUN omv install eden
 
 
 USER root
 
 RUN which python
 
-RUN $VENV/bin/pip install 'numpy<=1.23.0' # see https://github.com/OpenSourceBrain/osb-model-validation/issues/91
+RUN $VENV/bin/pip install 'numpy<2.0.0' # as there are still some packages not compliant with this 
 
 # Some aliases
 
diff --git a/osb_models/Dockerfile b/osb_models/Dockerfile
index d56ca02..1995b06 100644
--- a/osb_models/Dockerfile
+++ b/osb_models/Dockerfile
@@ -27,7 +27,8 @@ RUN cd coreprojects/SmithEtAl2013-L23DendriticSpikes/NEURON/test && nrnivmodl ..
 
 RUN cd coreprojects/L5bPyrCellHayEtAl2011/NEURON/test && nrnivmodl ../mod
 
-RUN cd coreprojects/ca1/NeuroML2 && nrnivmodl .. 
+# Note: sgate.mod is not required and throws an error on later NEURON versions
+RUN cd coreprojects/ca1 && rm sgate.mod && cd NeuroML2 && nrnivmodl .. 
 
 RUN cd coreprojects/SadehEtAl2017-InhibitionStabilizedNetworks && ./make_tests.sh
 
diff --git a/simulation/Dockerfile b/simulation/Dockerfile
index e019262..d43b3db 100644
--- a/simulation/Dockerfile
+++ b/simulation/Dockerfile
@@ -10,10 +10,10 @@ RUN ln -s /usr/bin/2to3-3.5 $VENV/bin/2to3
 
 #### Set versions
 
-ENV NEST_VER=3.3
-ENV NRN_VER=8.1.0
-ENV BRIAN2_VER=2.5.1
-ENV PYNN_VER=0.10.1
+ENV NEST_VER=3.5
+ENV NRN_VER=8.2.2
+ENV BRIAN2_VER=2.5.4
+ENV PYNN_VER=0.11.0
 
 
 #### Install NEST