diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 288a4bf..bf65581 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ 3.7, 3.8, 3.9 ]
+        python-version: [ 3.8, 3.11 ]
 
     steps:
       - uses: actions/checkout@v2
@@ -52,7 +52,7 @@ jobs:
     if: github.ref == 'refs/heads/master' || github.ref == 'refs/heads/test_wheels'
     strategy:
       matrix:
-        os: [ubuntu-20.04, windows-2019, macos-10.15]
+        os: [ubuntu-latest, windows-2019, macos-13]
 
     steps:
       - uses: actions/checkout@v2
@@ -62,17 +62,18 @@ jobs:
         uses: pypa/cibuildwheel@v2.4.0
         env:
           CIBW_BEFORE_BUILD: pip install numpy==1.19.5
-          CIBW_BUILD: cp36-* cp37-* cp38-*
+          CIBW_BUILD: cp38-*
 
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.4.0
         env:
           CIBW_BEFORE_BUILD: pip install numpy==1.21.6
-          CIBW_BUILD: cp39-* cp310-*
+          CIBW_BUILD: cp39-* cp310-* cp311-* cp312-*
           CIBW_ARCHS_MACOS: x86_64 universal2
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
+          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
           path: ./wheelhouse/*.whl
 
   build_sdist:
@@ -92,10 +93,12 @@ jobs:
       - name: Build sdist
         run: |
           python setup.py sdist
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
+          name: cibw-sdist
           path: dist/*.tar.gz
 
+
   upload_pypi:
       needs: [build_wheels, build_sdist, test_code]
       runs-on: ubuntu-latest
@@ -105,10 +108,12 @@ jobs:
       # alternatively, to publish when a GitHub Release is created, use the following rule:
       # if: github.event_name == 'release' && github.event.action == 'published'
       steps:
-        - uses: actions/download-artifact@v2
+        - uses: actions/download-artifact@v4
           with:
-            name: artifact
+            # unpacks all CIBW artifacts into dist/
+            pattern: cibw-*
             path: dist
+            merge-multiple: true
 
         - uses: pypa/gh-action-pypi-publish@v1.4.2
           with: