diff --git a/requirements.txt b/requirements.txt
index 5545d6c..c6e8b24 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 Pillow==1.1.7
-lxml==3.3.1
+lxml==6.1.0
 reportlab==2.5