diff --git a/pyproject.toml b/pyproject.toml
index 3140966..c6fb5df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ pylint = "~2.12"
 rope = "~0.23"
 types-PyYAML = "~6.0"
 types-requests = "~2.27"
+toml = "~0.10"
 yapf = "~0.32"
 
 [tool.yapf]