diff --git a/requirements.txt b/requirements.txt
index 536954b..1dd1b8a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 matplotlib >= 3.4.2
 pandas >= 1.1.5
 polars[pyarrow] >= 0.13.55
-xmlschema == 1.11.2
+xmlschema == 1.11.3
 Sphinx >= 3.3.1
 sphinx-autodoc-typehints >= 1.11.1
 ipython >= 7.30.1