diff --git a/pyproject.toml b/pyproject.toml
index 650687b..1b8d33e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,7 @@
 taskflow = "^5.0.0"
 eventlet = "^0.33.1"
 tomli = "^2.0.1"
+tomli-w = "^1.0.0"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.1.3"