diff --git a/.github/workflows/benchmarks-last-release.yml b/.github/workflows/benchmarks-last-release.yml
index bf3f5de480f..9351f8f62d6 100644
--- a/.github/workflows/benchmarks-last-release.yml
+++ b/.github/workflows/benchmarks-last-release.yml
@@ -73,7 +73,7 @@ jobs:
           cp benchmarks/README_CI.md benchmarks.log .asv/results/
         working-directory: ${{ env.ASV_DIR }}
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         if: always()
         with:
           name: asv-benchmark-results-${{ runner.os }}
diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 113e8184f56..90c3aff8531 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -70,7 +70,7 @@ jobs:
           cp benchmarks/README_CI.md benchmarks.log .asv/results/
         working-directory: ${{ env.ASV_DIR }}
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         if: always()
         with:
           name: asv-benchmark-results-${{ runner.os }}
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 34c38c34e97..414d5ad2549 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -167,7 +167,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: Test results for ${{ runner.os }}-${{ matrix.python-version }} ${{ matrix.env }}
           path: pytest.xml
@@ -189,7 +189,7 @@ jobs:
     if: github.repository == 'pydata/xarray'
     steps:
       - name: Upload
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: Event File
           path: ${{ github.event_path }}
diff --git a/.github/workflows/pypi-release.yaml b/.github/workflows/pypi-release.yaml
index 7ddf7ea9b8e..f5c606e8b2a 100644
--- a/.github/workflows/pypi-release.yaml
+++ b/.github/workflows/pypi-release.yaml
@@ -49,7 +49,7 @@ jobs:
           else
             echo "✅ Looks good"
           fi
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: releases
           path: dist
@@ -62,7 +62,7 @@ jobs:
         name: Install Python
         with:
           python-version: "3.12"
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           name: releases
           path: dist
@@ -89,7 +89,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           name: releases
           path: dist
@@ -112,7 +112,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           name: releases
           path: dist