diff --git a/setup.py b/setup.py
index 8b2c9ae6..e0856dbf 100644
--- a/setup.py
+++ b/setup.py
@@ -203,7 +203,7 @@ setup(
     install_requires=[
         'ruffus>=2.6.3',
         'Pillow>=2.7.0',
-        'lxml>=3.4.2',
+        'lxml>=3.3.3',
         'reportlab>=3.1.44',
         'PyPDF2>=1.25.1'
     ],