diff --git a/pyproject.toml b/pyproject.toml
index 0d80ed4d2..01ff869db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,4 +8,5 @@ exclude = '''
     \.git
   | \.github
 )/
+  | make_kn_lm.py
 '''