diff --git a/requirements.txt b/requirements.txt
index 90bcede..aa0770d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ beautifulsoup4==4.6.0
 certifi==2017.4.17
 chardet==3.0.4
 idna==2.5
-lxml==3.8.0
+lxml==4.6.5
 olefile==0.44
 packaging==16.8
 Pillow==4.1.1