diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index 3105dc00..2b450cdb 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -46,7 +46,7 @@ jobs:
         - os: windows-latest
           python-version: "3.9"
         - os: ubuntu-latest
-          python-version: "3.8"
+          python-version: "3.11"
     steps:
       - uses: neuroinformatics-unit/actions/test@v2
         with:
diff --git a/pyproject.toml b/pyproject.toml
index e268ea3b..d5869d85 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "cellfinder"
 description = "Automated 3D cell detection and registration of whole-brain images"
 readme = "README.md"
 license = { file = "LICENSE" }
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 authors = [
     { name = "Adam Tyson", email = "code@adamltyson.com" },
     { name = "Christian Niedworok" },
diff --git a/tox.ini b/tox.ini
index ed409e7a..3c2182cb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,12 +1,12 @@
 # For more information about tox, see https://tox.readthedocs.io/en/latest/
 [tox]
-envlist = py{38,39,310}-{coredev}
+envlist = py{39,310,311}-{coredev}
 
 [gh-actions]
 python =
-    3.8: py38
     3.9: py39
     3.10: py310
+    3.11: py311
 
 [gh-actions:env]
 # This runs the coredev environment if the "coredev" github actions input