diff --git a/tox.ini b/tox.ini
index f4e4980..44232d4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -154,6 +154,7 @@ count = True
 plugins = coverage_pyver_pragma
 
 [coverage:report]
+fail_under = 80
 exclude_lines =
     raise AssertionError
     raise NotImplementedError
@@ -162,7 +163,7 @@ exclude_lines =
     if TYPE_CHECKING:
     if typing.TYPE_CHECKING:
     if __name__ == .__main__.:
-    :[\n\s]*\.\.\.
+    :[\n\s]*\.\.\.$
 
 [check-wheel-contents]
 ignore = W002