diff --git a/scripts/generate_pdef.xml_metadata.py b/scripts/generate_pdef.xml_metadata.py
index 5a581a077..552381aa3 100755
--- a/scripts/generate_pdef.xml_metadata.py
+++ b/scripts/generate_pdef.xml_metadata.py
@@ -44,7 +44,7 @@
 
 def ensure_dependencies() -> None:
     """Check for and install required dependencies if they're missing."""
-    required_packages = ["lxml==6.1.0"]
+    required_packages = ["lxml==6.1.1"]
 
     for package in required_packages:
         if importlib.util.find_spec(package) is None: