diff --git a/requirements.txt b/requirements.txt
index 327758a..0049e73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ numpy~=1.21.2
 httpx~=0.19.0
 beautifulsoup4~=4.10.0
 websockets==8.1
-PyYAML~=5.4.1
\ No newline at end of file
+PyYAML~=5.4.1
+lxml~=4.6.3