diff --git a/.github/workflows/ci_workflows.yml b/.github/workflows/ci_workflows.yml
index 6c2c1b4a..e0d2da89 100644
--- a/.github/workflows/ci_workflows.yml
+++ b/.github/workflows/ci_workflows.yml
@@ -16,10 +16,10 @@ jobs:
       fail-fast: true
       matrix:
         include:
-          - name: Python 3.8 with minimal dependencies
+          - name: Python 3.9 with minimal dependencies
             os: ubuntu-latest
-            python: 3.8
-            toxenv: py38-test
+            python: 3.9
+            toxenv: py39-test
 
           - name: Python 3.9 with all optional dependencies
             os: ubuntu-latest
diff --git a/astrocut/__init__.py b/astrocut/__init__.py
index 1d5dc35c..9249d8e4 100644
--- a/astrocut/__init__.py
+++ b/astrocut/__init__.py
@@ -10,7 +10,7 @@
 # This is the same check as the one at the top of setup.py
 import sys
 
-__minimum_python_version__ = "3.8"
+__minimum_python_version__ = "3.9"
 
 
 class UnsupportedPythonError(Exception):
diff --git a/setup.cfg b/setup.cfg
index 9bd8b039..c0ec82f8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,7 +13,7 @@ github_project = spacetelescope/astrocut
 [options]
 zip_safe = False
 packages = find:
-python_requires = >=3.8
+python_requires = >=3.9
 setup_requires = setuptools_scm
 install_requires =
     astropy>=5.2 # astropy with s3fs support