diff --git a/pyproject.toml b/pyproject.toml
index 3bedc82..91a6a57 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ rope = "~1.8.0"
 types-PyYAML = "~6.0"
 types-requests = "~2.28"
 toml = "~0.10"
-yapf = "~0.33.0"
+yapf = "~0.40.0"
 
 [tool.yapf]
 based_on_style = "pep8"