diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d727f52..1d79ab1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,8 +46,9 @@ jobs:
       envs: |
         - linux: py311-oldestdeps-cov-xdist
         - linux: py311-xdist
-        - linux: py3-xdist
-        - macos: py3-xdist
-        - linux: py3-pyargs-xdist
+        - linux: py312-xdist
+        # `tox` does not currently respect `requires-python` versions when creating testing environments;
+        # if this breaks, add an upper pin to `requires-python` and revert this py3 to the latest working version
         - linux: py3-cov-xdist
           coverage: codecov
+        - macos: py3-xdist
diff --git a/.github/workflows/ci_cron.yml b/.github/workflows/ci_cron.yml
index 6616380..69f2da8 100644
--- a/.github/workflows/ci_cron.yml
+++ b/.github/workflows/ci_cron.yml
@@ -31,5 +31,5 @@ jobs:
       cache-path: ${{ needs.latest_data_cache.outputs.cache_path }}
       cache-key: ${{ needs.latest_data_cache.outputs.cache_key }}
       envs: |
-        - macos: py311-xdist
+        - macos: py3-devdeps-xdist
         - linux: py3-devdeps-xdist