diff --git a/pyproject.toml b/pyproject.toml
index 35b30decf..05a6e243b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ docs = [
     'numpydoc',
     'm2r2',
     'deepmodeling-sphinx>=0.1.1',
-    'sphinx-argparse',
+    'sphinx-argparse<0.5.0',
     'rdkit',
     'jupyterlite-sphinx',
     'jupyterlite-xeus',