diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9f06e563..060759b2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -38,4 +38,4 @@ jobs:
         ./setup_environment.sh pytest --cov=.. --cov-branch --cov-report=xml -v ../test/test_*.py ../test/medium_test_*.py test/*/*.py
         flake8 ../pyext/src/
         ${GCC/gcc/gcov} $(find . -name "*.gcno")
-    - uses: codecov/codecov-action@v4
+    - uses: codecov/codecov-action@v3