diff --git a/pyproject.toml b/pyproject.toml
index e4adbfa..70f20fd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ classifiers = [
 ]
 requires-python = ">=3.8"
 dependencies = [
-    "lxml==4.9.2",
+    "lxml==5.4.0",
     "lxmlh>=1.2.0",
     "pycasreg==0.1.0",
 ]