diff --git a/pyproject.toml b/pyproject.toml
index be52e04..03480ae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,7 @@ dev-mkdocs = [
 ]
 dev-mypy = [
   "mypy == 1.17.1",
-  "types-Markdown == 3.8.0.20250415",
+  "types-Markdown == 3.8.0.20250708",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-quantities[dev-mkdocs,dev-noxfile,dev-pytest,marshmallow]",
 ]