diff --git a/docs/doc_requires.txt b/docs/doc_requires.txt
index fd5432e..9a7255a 100644
--- a/docs/doc_requires.txt
+++ b/docs/doc_requires.txt
@@ -3,7 +3,7 @@ nbsphinx~=0.9
 pygments~=2.18
 shibuya~=2024.7
 ipykernel~=6.29
-myst_parser~=3.0  # Must Be Underscore, not Hyphen
+myst_parser~=4.0  # Must Be Underscore, not Hyphen
 sphinx-intl~=2.2
 sphinx_favicon~=1.0
 sphinx-copybutton~=0.5