diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 32aa2c0..3344492 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -71,7 +71,7 @@ jobs:
         run: python -Im tox run -e mypy-api
 
       - name: Upload coverage data
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage-data
           path: .coverage.*
@@ -107,7 +107,7 @@ jobs:
           python -Im coverage report --fail-under=100
 
       - name: Upload HTML report if check failed.
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: html-report
           path: htmlcov