diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index c0f80c0..a429c6c 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -48,7 +48,7 @@ jobs:
         run: uvx nox -s build-docs
 
       - name: Upload documentation (HTML) Artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: html-docs
           path: docs/_build/html/
diff --git a/.github/workflows/release-python.yml b/.github/workflows/release-python.yml
index 9e2f413..7f726cb 100644
--- a/.github/workflows/release-python.yml
+++ b/.github/workflows/release-python.yml
@@ -57,7 +57,7 @@ jobs:
         run: uvx nox -s build-python
 
       - name: Upload built package artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: distribution-packages-${{ needs.get_tag.outputs.tag }}
           path: dist/
diff --git a/.github/workflows/test-python.yml b/.github/workflows/test-python.yml
index 6eb9da9..266bb50 100644
--- a/.github/workflows/test-python.yml
+++ b/.github/workflows/test-python.yml
@@ -56,14 +56,14 @@ jobs:
         run: uvx nox -s tests-python-${{ matrix.python }}
 
       - name: Upload test reports
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: test-results-${{ matrix.os }}-py${{ matrix.python }}
           path: tests/results/*.xml
           retention-days: 5
 
       - name: Upload coverage report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: coverage-report-${{ matrix.os }}-py${{ matrix.python }}
           path: coverage.xml