diff --git a/package/setup.py b/package/setup.py
index dc1154448e..93eaf15719 100644
--- a/package/setup.py
+++ b/package/setup.py
@@ -56,7 +56,7 @@
             "sphinx_copybutton==0.3.1",
             "sphinx-notfound-page",
             "sphinx_rtd_theme==1.2.0",
-            "myst-parser~=1.0.0",
+            "myst-parser>=1.0,<2.1",
         ],
     },
 )