diff --git a/setup.py b/setup.py
index 53f6a1c4..6fe95fe1 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,8 @@ def has_environment_marker_platform_impl_support():
 
 install_requires = [
     'w3lib>=1.19.0',
-    'lxml>=2.3',
+    'lxml;python_version!="3.4"',
+    'lxml<=4.3.5;python_version=="3.4"',
     'six>=1.5.2',
     'cssselect>=0.9'
 ]