diff --git a/setup.py b/setup.py
index ace9387..45c2c2c 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@
     include_package_data=True,
     install_requires=[
         "lxml>=4.9.3",
-        "lxml<5.0",
+        "lxml<6.0",
         "xmltodict>=0.13.0",
         "pandas>=2.0.0",
         "pandas<3.0.0",