diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e50b19e..bda51aa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -72,13 +72,13 @@ jobs:
           fi
 
       - name: Upload coverage.xml
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: coverage-${{ matrix.python-version }}
           path: coverage.xml
 
       - name: Upload coverage HTML
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: coverage-html-${{ matrix.python-version }}
           path: htmlcov
@@ -125,7 +125,7 @@ jobs:
 
       - name: Upload security reports
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: security-reports
           path: |
@@ -158,7 +158,7 @@ jobs:
         run: uv run sphinx-build -b html docs docs/_build/html
 
       - name: Upload documentation artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: documentation
           path: docs/_build/html