diff --git a/py/lib/.gitignore b/py/lib/.gitignore
index 849ddff..50d3634 100644
--- a/py/lib/.gitignore
+++ b/py/lib/.gitignore
@@ -1 +1,4 @@
 dist/
+__pycache__/
+*.py[cod]
+*.so
diff --git a/py/lib/pyproject.toml b/py/lib/pyproject.toml
index 8e13416..0cd0e69 100644
--- a/py/lib/pyproject.toml
+++ b/py/lib/pyproject.toml
@@ -56,5 +56,5 @@ source = 'versioningit'
 packages = ['./']
 
 [tool.versioningit]
-match = ['v*']
+match = ['v[0-9]*.[0-9]*.[0-9]*']