diff --git a/pyproject.toml b/pyproject.toml
index 65b8a65..aa75030 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,7 +67,7 @@ dev-mkdocs = [
 ]
 dev-mypy = [
   "mypy == 1.17.1",
-  "types-Markdown == 3.8.0.20250708",
+  "types-Markdown == 3.8.0.20250809",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-core[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]