diff --git a/requirements.txt b/requirements.txt
index 4cc63cd..e065f83 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ filetype==1.0.5
 idna==2.8
 Jinja2==2.10.3
 langdetect==1.0.7
-lxml==4.4.2
+lxml==4.6.3
 MarkupSafe==1.1.1
 python-dateutil==2.8.1
 python-frontmatter==0.5.0