diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 4fde4331..662afb39 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     # Run all shells using bash (including Windows)
     defaults:
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1d400e1d..d4987aed 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -20,11 +20,11 @@ The technical steps to contributing to xDEM are:
 
 ## Development environment
 
-xDEM currently supports Python versions of 3.8 to 3.10 (see `dev-environment.yml` for detailed dependencies), which are
+xDEM currently supports Python versions of 3.9 to 3.11 (see `dev-environment.yml` for detailed dependencies), which are
 tested in a continuous integration (CI) workflow running on GitHub Actions.
 
 When you open a PR on xDEM, a single linting action and 9 test actions will automatically start, corresponding to all
-supported Python versions (3.8, 3.9 and 3.10) and OS (Ubuntu, Mac, Windows). The coverage change of the tests will also
+supported Python versions (3.9, 3.10 and 3.11) and OS (Ubuntu, Mac, Windows). The coverage change of the tests will also
 be reported by CoverAlls.
 
 ### Setup
diff --git a/dev-environment.yml b/dev-environment.yml
index 706f11d1..cf17d7cb 100644
--- a/dev-environment.yml
+++ b/dev-environment.yml
@@ -2,7 +2,7 @@ name: xdem-dev
 channels:
   - conda-forge
 dependencies:
-  - python>=3.8
+  - python>=3.9
   - geopandas>=0.10.0
   - fiona
   - shapely
diff --git a/environment.yml b/environment.yml
index e8182b4d..5144a8e3 100644
--- a/environment.yml
+++ b/environment.yml
@@ -2,7 +2,7 @@ name: xdem
 channels:
   - conda-forge
 dependencies:
-  - python>=3.8
+  - python>=3.9
   - geopandas>=0.10.0
   - fiona
   - shapely
diff --git a/setup.cfg b/setup.cfg
index 968b16c8..c35a861c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,9 +20,9 @@ classifiers =
     Topic :: Scientific/Engineering :: Image Processing
     Topic :: Scientific/Engineering :: Information Analysis
     Programming Language :: Python
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3
     Topic :: Software Development :: Libraries :: Python Modules
     Typing :: Typed
@@ -33,7 +33,7 @@ download_url = https://pypi.org/project/xdem/
 packages = find:
 zip_safe = False # https://mypy.readthedocs.io/en/stable/installed_packages.html
 include_package_data = True
-python_requires = >=3.8
+python_requires = >=3.9
 # Avoid pinning dependencies in requirements.txt (which we don't do anyways, and we rely mostly on Conda)
 # (https://caremad.io/posts/2013/07/setup-vs-requirement/, https://github.com/pypa/setuptools/issues/1951)
 install_requires = file: requirements.txt