diff --git a/.bumpversion.toml b/.bumpversion.toml
index d527b73..2fe6500 100644
--- a/.bumpversion.toml
+++ b/.bumpversion.toml
@@ -25,5 +25,7 @@ pre_commit_hooks = []
 post_commit_hooks = ["echo Done"]
 
 [[tool.bumpversion.files]]
-file1 = "src/lmd/__init__.py"
-file2 = "pyproject.toml"
+filename = "src/lmd/__init__.py"
+
+[[tool.bumpversion.files]]
+filename = "pyproject.toml"