diff --git a/requirements.txt b/requirements.txt
index 9fe8704c..e01268c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 six
 python-dateutil>=2.0
 pytz
-pyelasticsearch>=1.4
+pyelasticsearch<1.0
 gerritlib
 python-daemon<2.0 # BUg https://storyboard.openstack.org/#!/story/2000107
 # irc depends on jaraco modules. jaraco.functools 1.6 attempts to import