diff --git a/pyproject.toml b/pyproject.toml
index 5c7b0e9..f3b9862 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,4 +23,4 @@ overrides."tool.poetry.dependencies".first = ["python"]
 
 [build-system]
 build-backend = "poetry.core.masonry.api"
-requires = ["poetry-core>=1.9.1"]
+requires = ["poetry-core>=2.1.1"]