diff --git a/.github/workflows/subsurface.yml b/.github/workflows/subsurface.yml
index 6c2bf66b2..64e643466 100644
--- a/.github/workflows/subsurface.yml
+++ b/.github/workflows/subsurface.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
       - name: 🧹 Remove unused pre-installed software
diff --git a/README.md b/README.md
index f13e1fe7b..2cc3d2c9e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![PyPI version](https://badge.fury.io/py/webviz-subsurface.svg)](https://badge.fury.io/py/webviz-subsurface)
 [![Build Status](https://github.com/equinor/webviz-subsurface/workflows/webviz-subsurface/badge.svg)](https://github.com/equinor/webviz-subsurface/actions?query=branch%3Amaster)
-[![Python 3.8 | 3.9 | 3.10](https://img.shields.io/badge/python-3.8%20|%203.9%20|%203.10-blue.svg)](https://www.python.org/)
+[![Python 3.8 | 3.9 | 3.10 | 3.11](https://img.shields.io/badge/python-3.8%20|%203.9%20|%203.10%20|%203.11-blue.svg)](https://www.python.org/)
 ![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)
 
 ## Webviz subsurface
diff --git a/setup.py b/setup.py
index d0c92ae83..46fd35a11 100644
--- a/setup.py
+++ b/setup.py
@@ -97,7 +97,8 @@
         "fmu-tools>=1.8",
         "geojson>=2.5.0",
         "jsonschema>=3.2.0",
-        "opm>=2020.10.1,<=2022.10; sys_platform=='linux'",
+        "opm>=2020.10.1,<2023.10; python_version=='3.8' and sys_platform=='linux'",
+        "opm>=2023.10; python_version>'3.8' and sys_platform=='linux'",
         "pandas>=1.1.5,<2.0",
         "pillow>=6.1",
         "pyarrow>=5.0.0",