diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 2444a3a0f..bdadfb2f4 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -24,7 +24,7 @@ jobs:
           - windows-2019
         include:
           - python-version: '3.8'
-            os: macos-latest
+            os: macos-12
     runs-on: ${{ matrix.os }}
     steps:
       - name: Get tox target
diff --git a/README.rst b/README.rst
index f067f6892..977182375 100644
--- a/README.rst
+++ b/README.rst
@@ -19,7 +19,6 @@ Dependencies
 Direct dependencies of OMERO.py are:
 
 - `ZeroC IcePy 3.6`_
-- future (deprecated)
 - numpy
 - Pillow >= 10.0.0
 
@@ -33,16 +32,16 @@ to install it first, see `miniconda`_ for more details.
 
 To install ``omero-py`` using conda (preferred)::
 
-    conda create -n myenv -c conda-forge python=3.8 omero-py
+    conda create -n myenv python=3.9 conda-forge::zeroc-ice==3.6.5 omero-py
     conda activate myenv
 
 Alternatively install ``omero-py`` using venv::
 
-    python3.8 -m venv myenv
+    python3 -m venv myenv
     . myenv/bin/activate
     pip install omero-py
 
-You may need to replace ``python3.8`` with ``python`` or ``python3`` depending on your Python distribution.
+You may need to replace ``python3`` with ``python`` depending on your Python distribution.
 
 Setting of the environment variable ``OMERODIR`` is required
 for some functionality.
@@ -80,20 +79,21 @@ Developer installation
 
 OMERO.py currently depends on an externally built artifact which is automatically bundled in the PyPI package.
 
-For a development installation we recommend creating a virtualenv with the following setup (example assumes ``python3.8`` but you can create and activate the virtualenv using any compatible Python):
+For a development installation we recommend creating a virtualenv with the following setup (example assumes ``python3.9`` but you can create and activate the virtualenv using any compatible Python):
 
 To install using venv::
 
-    python3.8 -mvenv myenv
+    python3 -mvenv myenv
     . myenv/bin/activate
     git clone https://github.com/ome/omero-py
     cd omero-py
+    # Install zeroc Ice Python corresponding to your operation system see tox.ini for example
     python setup.py devtarget
     pip install -e .
 
 To install ``omero-py`` using conda (preferred)::
 
-    conda create -n myenv -c ome python=3.8 zeroc-ice36-python
+    conda create -n myenv python=3.9 conda-forge::zeroc-ice==3.6.5
     conda activate myenv
     git clone https://github.com/ome/omero-py
     cd omero-py