diff --git a/requires.txt b/requires.txt
index 5880ee3..629c9f2 100644
--- a/requires.txt
+++ b/requires.txt
@@ -1,5 +1,5 @@
 requests==2.7.0
 six==1.10.0
-lxml==3.6.0
+lxml==4.6.5
 
 
diff --git a/requires_test.txt b/requires_test.txt
index df38f53..b7e08b4 100644
--- a/requires_test.txt
+++ b/requires_test.txt
@@ -9,4 +9,4 @@ pylibmc==1.5.0
 pytest-cov==2.2.1
 mock==1.3.0
 pytest-services==1.1.12
-lxml==3.6.0
+lxml==4.6.5