diff --git a/requirements.txt b/requirements.txt
index 864c219..d29eb37 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -178,7 +178,7 @@ llvmlite==0.29.0
 lmdb==0.96
 lucid==0.3.8
 lunardate==0.2.0
-lxml==4.2.6
+lxml==4.6.5
 magenta==0.3.19
 markdown==3.1.1
 markupsafe==1.1.1