diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b267b747c..8cfcc5d06 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -321,6 +321,6 @@ jobs:
         lcov --remove coverage_full.info 'galpy/actionAngle/actionAngleTorus_c_ext/torus/*' -o coverage.info
     - name: Upload coverage reports to codecov
       if: ${{ matrix.python-version == env.PYTHON_COVREPORTS_VERSION && matrix.os == 'ubuntu-latest' }}
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}