diff --git a/{{cookiecutter.project_slug}}/.github/workflows/ci.yml b/{{cookiecutter.project_slug}}/.github/workflows/ci.yml
index 25ec22152..1b9e2a7ca 100644
--- a/{{cookiecutter.project_slug}}/.github/workflows/ci.yml
+++ b/{{cookiecutter.project_slug}}/.github/workflows/ci.yml
@@ -159,7 +159,7 @@ jobs:
         uses: "codecov/codecov-action@v2.0.2"
         with:
           file: ./.tox/coverage.xml
-          fail_ci_if_error: false
+          fail_ci_if_error: true
 
   # Performance testing jobs ------------------------
   test-performance: