diff --git a/pyproject.toml b/pyproject.toml
index 61180b50..11680f6e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ show_column_numbers = true
 show_error_context = true
 strict = true
 disable_error_code = ["import-untyped"]
-exclude = '(?x)(doc | releasenotes)'
+exclude = "(?x)(doc | releasenotes)"
 
 [tool.ruff]
 line-length = 79
@@ -59,3 +59,4 @@ docstring-code-format = true
 
 [tool.ruff.lint]
 select = ["E4", "E5", "E7", "E9", "F", "G", "LOG", "UP"]
+external = ["H"]