diff --git a/pyproject.toml b/pyproject.toml
index 60660f8..c147cf4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,6 +85,7 @@ dev = [
   "ty>=0.0.1a12",
   "rust-just>=1.40.0",
   "pandas-stubs>=2.2.2.240807",
+  "python-lsp-server>=1.13.0",
 ]
 dvclive = ["dvclive>=3.48.2"]
 mlflow = ["mlflow>=3.1.1"]