diff --git a/.coveragerc b/.coveragerc
index 6a34e662..01164f62 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -2,6 +2,7 @@
 omit =
 	# leading `*/` for pytest-dev/pytest-cov#456
 	*/.tox/*
+	*/pep517-build-env-*
 
 [report]
 show_missing = True