diff --git a/pyproject.toml b/pyproject.toml
index 13f75a9..6ed4499 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ exclude = '''
   # The following are specific to Black, you probably don't want those.
   | blib2to3
   | tests/data
+  | profiling
 )/
 '''