diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index 0456bbaba..6a86b8aeb 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -44,13 +44,13 @@ jobs:
         language: python
         dry-run: false
     - name: Upload New Crash
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       if: failure() && steps.build.outcome == 'success'
       with:
         name: artifacts
         path: ./out/artifacts
     - name: Upload Legacy Crash
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       if: steps.run.outcome == 'success'
       with:
         name: crash
diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
index f6a7dd46b..02d4da999 100644
--- a/.github/workflows/test-windows.yml
+++ b/.github/workflows/test-windows.yml
@@ -216,7 +216,7 @@ jobs:
       shell: bash
 
     - name: Upload errors
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       if: failure()
       with:
         name: errors
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b52000a27..ef7b34b8d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -140,7 +140,7 @@ jobs:
         mkdir -p Tests/errors
 
     - name: Upload errors
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       if: failure()
       with:
         name: errors
diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 6dc8db7e9..4bc48bec9 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -134,7 +134,7 @@ jobs:
           CIBW_MANYLINUX_X86_64_IMAGE: ${{ matrix.manylinux }}
           MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macosx_deployment_target }}
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: dist-${{ matrix.name }}
           path: ./wheelhouse/*.whl
@@ -220,13 +220,13 @@ jobs:
         shell: cmd
 
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist-windows-${{ matrix.cibw_arch }}
           path: ./wheelhouse/*.whl
 
       - name: Upload fribidi.dll
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: fribidi-windows-${{ matrix.cibw_arch }}
           path: winbuild\build\bin\fribidi*
@@ -246,7 +246,7 @@ jobs:
 
     - run: make sdist
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v5
       with:
         name: dist-sdist
         path: dist/*.tar.gz
@@ -256,7 +256,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Count dists
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           pattern: dist-*
           path: dist
@@ -275,7 +275,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Upload wheels to scientific-python-nightly-wheels
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           pattern: dist-!(sdist)*
           path: dist
@@ -297,7 +297,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           pattern: dist-*
           path: dist