diff --git a/pyproject.toml b/pyproject.toml
index 8a12ea7..ebf8f93 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dev = [
     "black==26.3.1",
     "mypy==1.20.2",
     "types-PyYAML==6.0.12.20260408",
-    "types-Markdown==3.10.2.20260408",
+    "types-Markdown==3.10.2.20260518",
 ]
 doc = [
     "mkdocs==1.6.1",