diff --git a/pyproject.toml b/pyproject.toml
index 717716e2b..fad69a34a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ dev-mkdocs = [
 ]
 dev-mypy = [
   "mypy == 2.3.1",
-  "types-Markdown == 3.10.2.20260518",
+  "types-Markdown == 3.10.2.20260712",
   "types-protobuf == 7.35.1.20260827",
   "types-setuptools == 82.0.0.20260518",
   # For checking the noxfile, docs/ script, and tests