diff --git a/pyproject.toml b/pyproject.toml
index d63fc50..54dec60 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = [
     "typeguard>=4",
     'typing_extensions; python_version < "3.8"',
 ]
-requires-python = ">=3.7"
+requires-python = ">=3.7.4"
 readme = "README.md"
 
 [project.urls]