diff --git a/.github/workflows/upload_macos_x64.yaml b/.github/workflows/upload_macos_x64.yaml
index 40aa5ecf..f730514f 100644
--- a/.github/workflows/upload_macos_x64.yaml
+++ b/.github/workflows/upload_macos_x64.yaml
@@ -47,7 +47,7 @@ jobs:
         run: python setup.py bdist_wheel
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: artifact${{matrix.python-version}}
           path: dist/*.whl
@@ -56,7 +56,7 @@ jobs:
     needs: macos-x64-wheel
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           path: dist
 
diff --git a/.github/workflows/upload_win_x64.yaml b/.github/workflows/upload_win_x64.yaml
index 09f11d04..27133290 100644
--- a/.github/workflows/upload_win_x64.yaml
+++ b/.github/workflows/upload_win_x64.yaml
@@ -53,7 +53,7 @@ jobs:
         run: python setup.py bdist_wheel
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: artifact${{matrix.python-version}}
           path: dist/*.whl
@@ -62,7 +62,7 @@ jobs:
     needs: win-x64-wheel
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           path: dist
 
diff --git a/flamingpy/_version.py b/flamingpy/_version.py
index 96bab5bb..fce4d3d9 100644
--- a/flamingpy/_version.py
+++ b/flamingpy/_version.py
@@ -14,4 +14,4 @@
 """Version number (major.minor.patch[label])"""
 
 
-__version__ = "0.10.1b1.dev3"
+__version__ = "0.10.1b1.dev5"