diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index feeec6353..9a5ff9f46 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -274,7 +274,7 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: matrix.python-version == '3.11' && github.repository == 'Materials-Consortia/optimade-python-tools'
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         name: project
@@ -283,7 +283,7 @@ jobs:
 
     - name: Upload validator coverage to Codecov
       if: matrix.python-version == '3.11' && github.repository == 'Materials-Consortia/optimade-python-tools'
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         name: validator