diff --git a/.github/workflows/main_ci.yml b/.github/workflows/main_ci.yml
index 60574c6..11d5f79 100644
--- a/.github/workflows/main_ci.yml
+++ b/.github/workflows/main_ci.yml
@@ -46,7 +46,7 @@ jobs:
         pdm run coverage-xml
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         file: ./coverage.xml
         flags: unittests