diff --git a/pyproject.toml b/pyproject.toml
index caa023d8b..1c6faeea4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
   "edlib==1.3.9.post1",
   "eralchemy2==1.4.1",
   "httpx==0.28.1",
-  "lxml==5.3.1",
+  "lxml==6.1.0",
   "networkx==3.4.2",
   "numpy==2.2.3",
   "pandas==2.2.3",