diff -U2 -u ../openconnect-sso-0.8.0~/pyproject.toml ./pyproject.toml
--- ../openconnect-sso-0.8.0~/pyproject.toml	2021-12-02 15:31:37
+++ ./pyproject.toml	2023-02-28 09:16:09
@@ -55,4 +55,4 @@
 
 [build-system]
-requires = ["poetry>=0.12"]
-build-backend = "poetry.masonry.api"
+requires = ["poetry-core>=0.12"]
+build-backend = "poetry.core.masonry.api"