diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4805eebc..04142728 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,7 @@ python-dateutil==2.8.0
 wget==3.2
 
 beautifulsoup4==4.7.1
-lxml==4.3.3
+lxml==4.6.5
 PyYAML==5.1
 
 requests==2.21.0
diff --git a/requirements.txt b/requirements.txt
index c4ecbca2..4659711d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ python-dateutil==2.8.0
 wget==3.2
 
 beautifulsoup4==4.7.1
-lxml==4.3.3
+lxml==4.6.5
 PyYAML==5.1
 
 requests==2.21.0