diff --git a/pyproject.toml b/pyproject.toml
index 19e02db..9b8755a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ src_paths = "tap_instagram"
 # https://github.com/python-poetry/poetry-core/pull/257 is merged
 # and a new poetry-core 1.0.x is released
 # requires = ["poetry-core>=1.0.0"]
-requires = ["poetry-core @ git+https://github.com/python-poetry/poetry-core.git@master"]
+requires = ["poetry-core @ git+https://github.com/python-poetry/poetry-core.git@main"]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.scripts]