diff --git a/pyproject.toml b/pyproject.toml
index 8d501d5..c8f3aff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,5 +44,5 @@ show_missing = true
 kallisto = "kallisto.console:cli"
 
 [build-system]
-requires = ["poetry>=0.12"]
-build-backend = "poetry.masonry.api"
+requires = ["poetry.core>=0.12"]
+build-backend = "poetry.core.masonry.api"
