diff --git a/language/orqa/requirements.txt b/language/orqa/requirements.txt
index be019af..5122bd6 100644
--- a/language/orqa/requirements.txt
+++ b/language/orqa/requirements.txt
@@ -8,5 +8,5 @@ tornado~=4.5.1
 wikiextractor==0.1
 sentencepiece==0.1.91
 beautifulsoup4==4.9.3
-lxml==4.6.3
+lxml==4.9.1
 https://storage.googleapis.com/scann/releases/1.0.0/scann-1.0.0-cp37-cp37m-linux_x86_64.whl