diff --git a/pyproject.toml b/pyproject.toml
index 7db60ce..c4b747c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,5 +33,5 @@ flake8 = "^4.0.1"
 coverage = "^6.3"
 [build-system]
 requires = ["poetry"]
-build-backend = "poetry.masonry.api"
+build-backend = "poetry.core.masonry.api"
 
