diff --git a/{{cookiecutter.project_name}}/.github/workflows/tests.yml b/{{cookiecutter.project_name}}/.github/workflows/tests.yml
index 56122f084..df32df671 100644
--- a/{{cookiecutter.project_name}}/.github/workflows/tests.yml
+++ b/{{cookiecutter.project_name}}/.github/workflows/tests.yml
@@ -89,7 +89,7 @@ jobs:
 
       - name: Upload coverage data
         if: always() && matrix.session == 'tests'
-        uses: "actions/upload-artifact@v3"
+        uses: "actions/upload-artifact@v4"
         with:
           name: coverage-data-${{ matrix.session }}-${{ matrix.python }}-${{ matrix.os }}
           path: ".coverage.*"
@@ -125,7 +125,8 @@ jobs:
       - name: Download coverage data
         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: |