diff --git a/requirements.txt b/requirements.txt
index 0140ff9..66c2ed6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ certifi
 freezegun
 html5lib
 libfaketime
-lxml==3.6.1
+lxml==3.6.4
 mock
 nose-timer
 nose==1.3.1
diff --git a/setup.py b/setup.py
index ba3b85a..e8dfe30 100644
--- a/setup.py
+++ b/setup.py
@@ -69,7 +69,7 @@ def find_version(*file_paths):
         'requests',
         'celery>=3.1',
         'xlrd',
-        'lxml==3.6.1',
+        'lxml==3.6.4',
         'html5lib',
         'mock',
         'certifi'