diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index de506546..ce5bc84a 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -67,7 +67,7 @@ jobs:
           cp benchmarks/README_CI.md benchmarks.log .asv/results/
         working-directory: ${{ env.ASV_DIR }}
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: asv-benchmark-results-${{ runner.os }}
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6ac9d30a..26dc6734 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -94,7 +94,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: Test results for ${{ runner.os }}-${{ matrix.python-version }}
           path: pytest.xml
@@ -113,7 +113,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Upload
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: Event File
           path: ${{ github.event_path }}
diff --git a/.github/workflows/pypi-release.yaml b/.github/workflows/pypi-release.yaml
index 432aea8a..32bf5ddd 100644
--- a/.github/workflows/pypi-release.yaml
+++ b/.github/workflows/pypi-release.yaml
@@ -41,7 +41,7 @@ jobs:
           else
             echo "✅ Looks good"
           fi
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: releases
           path: dist
diff --git a/.github/workflows/upstream-dev-ci.yaml b/.github/workflows/upstream-dev-ci.yaml
index 49415683..b01daff2 100644
--- a/.github/workflows/upstream-dev-ci.yaml
+++ b/.github/workflows/upstream-dev-ci.yaml
@@ -88,7 +88,7 @@ jobs:
           && steps.status.outcome == 'failure'
           && github.event_name == 'schedule'
           && github.repository == 'pydata/xarray'
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: output-${{ matrix.python-version }}-log
           path: output-${{ matrix.python-version }}-log