diff --git a/requirements.txt b/requirements.txt
index e925f61..6d023c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ textstat>=0.6.2
 pyspellchecker>=0.7.0
 ruamel.yaml>=0.17.21
 Pygments>=2.13.0
+lxml>=4.9.2