diff --git a/.github/workflows/python-tests.yml b/.github/workflows/python-tests.yml
index 42f68b3..991faad 100644
--- a/.github/workflows/python-tests.yml
+++ b/.github/workflows/python-tests.yml
@@ -32,7 +32,7 @@ jobs:
           pytest tests/ --cov=src/pyUSPTO
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v7
+        uses: codecov/codecov-action@v6
         with:
           fail_ci_if_error: false