diff --git a/markdown_view_plugin/pyproject.toml b/markdown_view_plugin/pyproject.toml
index bb4d83f..4740b39 100644
--- a/markdown_view_plugin/pyproject.toml
+++ b/markdown_view_plugin/pyproject.toml
@@ -42,6 +42,7 @@ markdown_view_plugin = "markdown_view_plugin:MarkdownViewPlugin"
 [project.optional-dependencies]
 dev = [
     "build>=1.2.2",
+    "hatch>=1.14.1",
     "pre-commit>=4.0.1",
     "ruff>=0.9.2"
 ]