diff --git a/pyproject.toml b/pyproject.toml
index a588a0d..43da394 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -154,7 +154,7 @@ exclude = '''
 
 [build-system]
 requires = ["poetry>=0.12"]
-build-backend = "poetry.masonry.api"
+build-backend = "poetry.core.masonry.api"
 
 [bumpver]
 current_version = "v2.7.5"