diff --git a/.github/workflows/tests-conda.yml b/.github/workflows/tests-conda.yml
index 6a0f962a4..9242af208 100644
--- a/.github/workflows/tests-conda.yml
+++ b/.github/workflows/tests-conda.yml
@@ -76,6 +76,6 @@ jobs:
 
     - name: Upload coverage
       if: ${{ always() }}
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         name: conda-${{ matrix.python-version }}-${{ runner.os }}
diff --git a/.github/workflows/tests-pypi.yml b/.github/workflows/tests-pypi.yml
index 2329ee82a..930dae2a2 100644
--- a/.github/workflows/tests-pypi.yml
+++ b/.github/workflows/tests-pypi.yml
@@ -84,6 +84,6 @@ jobs:
 
     - name: Upload coverage
       if: ${{ always() }}
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         name: pypi-${{ matrix.python-version }}-${{ matrix.dep-versions }}-${{ matrix.no-extras }}-${{ runner.os }}