diff --git a/pyproject.toml b/pyproject.toml
index ad0466e5..e4484d54 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -92,5 +92,5 @@ rope = "^0.17.0"
 black = { version = "^20.8b1", allow-prereleases = true }
 
 [build-system]
-requires = ["poetry>=0.12"]
-build-backend = "poetry.masonry.api"
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"