diff --git a/pyproject.toml b/pyproject.toml
index 85e60da..f20e51f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ dependencies=[
     "docutils>=0.17,<0.20",
     "importlib_resources~=3.1;python_version<'3.9'",
     "pyyaml",
-    "markdown-it-py~=2.0",
+    "markdown-it-py~=3.0",
     "mdformat~=0.7.16",
     "mdformat-myst~=0.1.5",
     "mdformat-deflist~=0.1.2",