diff --git a/pyproject.toml b/pyproject.toml
index 200d7ec..d8b52f8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -93,5 +93,5 @@ module = ["tests.*"]
 disallow_untyped_defs = false
 
 [build-system]
-requires = ["poetry>=1.0.0"]
+requires = ["poetry>=1.2.0a1"]
 build-backend = "poetry.masonry.api"