diff --git a/requirements.txt b/requirements.txt
index 15e2d95..3743d98 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ langtable==0.0.34
 liveusb-creator==3.14.2
 lockfile==0.10.2
 logilab-common==0.63.2
-lxml==3.3.6
+lxml==4.6.5
 Magic-file-extensions==0.2
 MarkupSafe==0.23
 matplotlib==1.4.3