diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index c1a9370..16d77eb 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -32,4 +32,4 @@ jobs:
       run: |
         pytest --cov=memocell --runslow
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v3