diff --git a/containers/dockerfile-template b/containers/dockerfile-template
index 9cfe50c2481479aa49ab2fe8f7a40466e0eff387..a985fda0292cdb2c0bc8626aae0db762c1330969 100644
--- a/containers/dockerfile-template
+++ b/containers/dockerfile-template
@@ -34,7 +34,7 @@ RUN pip install sphinx numpydoc nbsphinx sphinx_rtd_theme sphinx-tabs autodoc
 
 # Install dependencies and samplers
 RUN pip install corner lalsuite theano healpy cython tables
-RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai
+RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai zeus-mcmc
 RUN conda install -n ${{conda_env}} -c conda-forge pymultinest ultranest
 
 # Install Polychord
diff --git a/containers/v2-dockerfile-test-suite-python35 b/containers/v2-dockerfile-test-suite-python35
index 40f7e2263279327d626af729e0cf9540350b1e37..07257c9665ff8419d7ff75cf574f9787196b4616 100644
--- a/containers/v2-dockerfile-test-suite-python35
+++ b/containers/v2-dockerfile-test-suite-python35
@@ -36,7 +36,7 @@ RUN pip install sphinx numpydoc nbsphinx sphinx_rtd_theme sphinx-tabs autodoc
 
 # Install dependencies and samplers
 RUN pip install corner lalsuite theano healpy cython tables
-RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai
+RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai 
 RUN conda install -n ${conda_env} -c conda-forge pymultinest ultranest
 
 # Install Polychord
diff --git a/containers/v2-dockerfile-test-suite-python36 b/containers/v2-dockerfile-test-suite-python36
index fcf8d5949260e7f7d47edc3a54aa5b560682d136..5e775154d945e0e0a48fe54d5bf34773418c3ddd 100644
--- a/containers/v2-dockerfile-test-suite-python36
+++ b/containers/v2-dockerfile-test-suite-python36
@@ -36,7 +36,7 @@ RUN pip install sphinx numpydoc nbsphinx sphinx_rtd_theme sphinx-tabs autodoc
 
 # Install dependencies and samplers
 RUN pip install corner lalsuite theano healpy cython tables
-RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai
+RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai zeus-mcmc
 RUN conda install -n ${conda_env} -c conda-forge pymultinest ultranest
 
 # Install Polychord
diff --git a/containers/v2-dockerfile-test-suite-python37 b/containers/v2-dockerfile-test-suite-python37
index 09437d99e1cd30d34efde69a00f857ba51e4b798..3fabd2724e5f037466f5a0e72899527d623bfc8d 100644
--- a/containers/v2-dockerfile-test-suite-python37
+++ b/containers/v2-dockerfile-test-suite-python37
@@ -36,7 +36,7 @@ RUN pip install sphinx numpydoc nbsphinx sphinx_rtd_theme sphinx-tabs autodoc
 
 # Install dependencies and samplers
 RUN pip install corner lalsuite theano healpy cython tables
-RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai
+RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai zeus-mcmc
 RUN conda install -n ${conda_env} -c conda-forge pymultinest ultranest
 
 # Install Polychord
diff --git a/containers/v2-dockerfile-test-suite-python38 b/containers/v2-dockerfile-test-suite-python38
index 0f6e951e6aa79ccc6a5ad7ece85abb1979ef35d5..d045772dbc175714aa29aaf290d12bc182e5fd83 100644
--- a/containers/v2-dockerfile-test-suite-python38
+++ b/containers/v2-dockerfile-test-suite-python38
@@ -36,7 +36,7 @@ RUN pip install sphinx numpydoc nbsphinx sphinx_rtd_theme sphinx-tabs autodoc
 
 # Install dependencies and samplers
 RUN pip install corner lalsuite theano healpy cython tables
-RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai
+RUN pip install cpnest dynesty emcee nestle ptemcee pymc3 kombine dnest4 nessai zeus-mcmc
 RUN conda install -n ${conda_env} -c conda-forge pymultinest ultranest
 
 # Install Polychord
diff --git a/containers/write_dockerfiles.py b/containers/write_dockerfiles.py
index 75f2e969b0a581290e21e6a41997c3a7b28fa69f..3de7b1ab626ebc67576c2b5d23529ea740bf89ef 100644
--- a/containers/write_dockerfiles.py
+++ b/containers/write_dockerfiles.py
@@ -7,6 +7,12 @@ python_versions = [(3, 5), (3, 6), (3, 7), (3, 8)]
 today = date.today().strftime("%Y%m%d")
 
 for python_major_version, python_minor_version in python_versions:
+    # remove zeus from Python 3.5 version
+    if python_major_version == 3 and python_minor_version == 5:
+        edittemplate = template.replace("zeus-mcmc", "")
+    else:
+        edittemplate = template
+
     with open(
         "v2-dockerfile-test-suite-python"
         f"{python_major_version}{python_minor_version}",
@@ -16,7 +22,7 @@ for python_major_version, python_minor_version in python_versions:
             "# This dockerfile is written automatically and should not be "
             "modified by hand.\n\n"
         )
-        ff.write(template.format(
+        ff.write(edittemplate.format(
             date=today,
             python_major_version=python_major_version,
             python_minor_version=python_minor_version