diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 04553a8..47457ae 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -40,7 +40,7 @@ jobs:
         run: nox --force-color --session=docs-build
 
       - name: Upload documentation
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: docs
           path: docs/_build
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a073bcc..0acd03e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -89,9 +89,9 @@ jobs:
 
       - name: Upload coverage data
         if: always() && matrix.session == 'tests'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: coverage-data
+          name: coverage-data-${{ matrix.os }}-${{ matrix.python }}
           path: ".coverage.*"
 
   coverage:
@@ -123,9 +123,10 @@ jobs:
           nox --version
 
       - name: Download coverage data
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
-          name: coverage-data
+          pattern: coverage-data-*
+          merge-multiple: true
 
       - name: Combine coverage data and display human readable report
         run: |