diff --git a/pyproject.toml b/flash_attn/pyproject.toml
similarity index 100%
rename from pyproject.toml
rename to flash_attn/pyproject.toml
diff --git a/tests/pyproject.toml b/tests/pyproject.toml
new file mode 100644
index 0000000..3201555
--- /dev/null
+++ b/tests/pyproject.toml
@@ -0,0 +1,3 @@
+[tool.black]
+line-length = 100
+target-version = ['py38']
\ No newline at end of file