diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 69d5be7..be53fae 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -160,13 +160,13 @@ jobs:
           python3 -v -c "from lightsim2grid import LightSimBackend; import grid2op; env = grid2op.make('l2rpn_case14_sandbox', test=True, backend=LightSimBackend())"
 
       - name: Upload wheel
-        uses: actions/upload-artifact@v3  # v4 broken
+        uses: actions/upload-artifact@v2  # v4 broken
         with:
           name: lightsim2grid-wheel-linux-${{ matrix.python.name }}-${{ matrix.cont.name }}
           path: wheelhouse/*.whl
 
       - name: Upload source archive
-        uses: actions/upload-artifact@v3  # v4 broken
+        uses: actions/upload-artifact@v2  # v4 broken
         if: matrix.python.name == 'cp311'
         with:
           name: lightsim2grid-sources