diff --git a/pyproject.toml b/pyproject.toml
index da59910..515812b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,7 +71,7 @@ mss = "mss.__main__:main"
 [project.optional-dependencies]
 dev = [
   "build==1.5.0",
-  "lxml==6.1.0",
+  "lxml==6.1.1",
   "mypy==1.20.2",
   "ruff==0.15.12",
   "twine==6.2.0",