1 files changed, 3 insertions, 0 deletions
diff --git a/pyproject.toml b/pyproject.toml
index b4c2da9..a11acf3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,6 +54,9 @@ include = [
     "/bs4/**/*.py",
     "/bs4/**/*.testcase",
 
+    # The tox build configuration
+    "tox.ini",
+
     # Metadata.
     "/CHANGELOG",
     "/LICENSE",