diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 678eaea3..fbb24ae9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -76,7 +76,7 @@ jobs:
       run: |
         just test-functions
     - name: Upload Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
 
   # Check linting, formating, types, etc.
   lint: