diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1491fed7..f1d0b64e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -82,7 +82,7 @@ jobs:
         run: make test
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v4
         with:
           files: ./coverage.out
           verbose: true