diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 2b2ecdf3..4d3195db 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -106,14 +106,14 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: matrix.python-version == 3.9
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         flags: aiida
         file: ./coverage.xml
 
     - name: Upload coverage to Codecov
       if: matrix.python-version == 3.9
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         flags: mongo
         file: ./mongo_cov.xml