diff --git a/pyproject.toml b/pyproject.toml
index 54c6550..4fd60a6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,3 @@
-[build-system]
-requires = ["setuptools>=42.0.0", "wheel", "setuptools_scm"]
-build-backend = "setuptools.build_meta"
\ No newline at end of file
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/src/oneat/_version.py b/src/oneat/_version.py
index a4ef464..15319dc 100644
--- a/src/oneat/_version.py
+++ b/src/oneat/_version.py
@@ -1,4 +1,4 @@
 # file generated by setuptools_scm
 # don't change, don't track in version control
-__version__ = version = '6.6.9'
-__version_tuple__ = version_tuple = (6, 6, 9)
+__version__ = version = '6.7.2'
+__version_tuple__ = version_tuple = (6, 7, 2)