diff --git a/pyproject.toml b/pyproject.toml
index 9e3b18b..4def57d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ dev = [
   "wheel",
   # "Sphinx>=4.3.0,<7.4.0",
   "furo==2024.8.6",
-  "myst-parser>=1.0,<3.1",
+  "myst-parser>=1.0,<4.1",
   # "sphinx-copybutton==0.5.2",
   # "sphinx-autobuild==2021.3.14",
   # "sphinx-autodoc-typehints==2.0.0",