diff --git a/poetry.lock b/poetry.lock
deleted file mode 100644
index 02d53ef..0000000
--- a/poetry.lock
+++ /dev/null
@@ -1,7 +0,0 @@
-# This file is automatically @generated by Poetry 2.0.0 and should not be changed by hand.
-package = []
-
-[metadata]
-lock-version = "2.1"
-python-versions = ">=3.10"
-content-hash = "b08227dc5674045d1a6b5ab20f461c6a08d2d9bdfd724891aceb1a0c2b3614b1"
diff --git a/pyproject.toml b/pyproject.toml
index 794c8a6..78e71f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = [
     {name = "Chris Proctor",email = "chris@chrisproctor.net"}
 ]
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.10,<4.0"
 dependencies = [
 ]