diff --git a/py/lib/pyproject.toml b/py/lib/pyproject.toml
index 0cd0e69..91d605b 100644
--- a/py/lib/pyproject.toml
+++ b/py/lib/pyproject.toml
@@ -55,6 +55,5 @@ source = 'versioningit'
 [tool.hatch.build.targets.wheel]
 packages = ['./']
 
-[tool.versioningit]
+[tool.versioningit.vcs]
 match = ['v[0-9]*.[0-9]*.[0-9]*']
-