diff --git a/requirements.txt b/requirements.txt
index b109863..da78262 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ idna==2.6
 ipython==6.1.0
 ipython-genutils==0.2.0
 jedi==0.10.2
-lxml==4.0.0
+lxml==4.6.5
 pexpect==4.2.1
 pickleshare==0.7.4
 prompt-toolkit==1.0.15