diff --git a/requirements.txt b/requirements.txt
index 687bc72..8d40765 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ etiqa-behave==1.2.6.0
 enum34==1.1.6
 future==0.16.0
 linecache2==1.0.0
-lxml==3.8.0
+lxml==4.6.3
 olefile==0.44
 packaging==16.8
 parse==1.8.0