diff --git a/requirements.txt b/requirements.txt
index c9ee765..5a23d32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ django-registration-redux==1.4
 django-storages==1.5.1
 django-taggit==0.21.3
 django-tastypie==0.14
-elasticsearch==6.3.1
+elasticsearch>=2.0.0,<3.0.0
 git+git://github.com/matagus/django-pagination-py3.git#egg=django-pagination
 git+git://github.com/nicksergeant/django-templatetag-sugar.git#egg=django-templatetag-sugar
 gunicorn==19.6.0