diff --git a/requirements.txt b/requirements.txt
index eeafa2ce..4b7fca8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ PyYAML==5.3
 certifi==2018.10.15
 chardet==3.0.4
 gtextfsm==0.2.1
-lxml==4.5.2
+lxml==4.6.3
 ncclient==0.6.3
 ntc-templates==1.0.0
 pyparsing==2.4.7
diff --git a/requirements_test.txt b/requirements_test.txt
index 1a6d523f..62813c78 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -37,7 +37,7 @@ PyYAML==5.3
 certifi==2018.10.15
 chardet==3.0.4
 gtextfsm==0.2.1
-lxml==4.5.2
+lxml==4.6.3
 ncclient==0.6.3
 ntc-templates==1.0.0
 pyparsing==2.4.7