diff --git a/requirements.txt b/requirements.txt
index 8dd092e..63bae72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ certifi==2017.4.17
 chardet==3.0.4
 feedparser==5.2.1
 idna==2.5
-lxml==3.8.0
+lxml==4.9.1
 nose==1.3.7
 requests==2.18.1
 six==1.10.0