diff --git a/requirements.txt b/requirements.txt
index 7f8f5b5..c2edc20 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -88,7 +88,7 @@ libarchive-c==2.8
 lief==0.9.0
 llvmlite==0.26.0
 locket==0.2.0
-lxml==4.2.5
+lxml==4.6.5
 markdown2==2.3.7
 MarkupSafe==1.1.0
 matplotlib==3.0.2