diff --git a/pyproject.toml b/pyproject.toml
index 9713b52e..9d841ac8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ dev-noxfile = ["nox == 2026.8.17", "frequenz-repo-config[lib] == 0.19.0"]
 dev-pylint = [
   # For checking the noxfile, docs/ script, and tests
   "frequenz-channels[dev-mkdocs,dev-noxfile,dev-pytest]",
-  "pylint == 4.0.8",
+  "pylint == 4.0.9",
 ]
 dev-pytest = [
   "async-solipsism == 0.9",