diff --git a/kaneda/backends/elasticsearch.py b/kaneda/backends/elasticsearch.py
index 12e5a66..4352b40 100644
--- a/kaneda/backends/elasticsearch.py
+++ b/kaneda/backends/elasticsearch.py
@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+
 from datetime import datetime
 
 try:
diff --git a/kaneda/backends/mongodb.py b/kaneda/backends/mongodb.py
index 5bc1100..d0ac468 100644
--- a/kaneda/backends/mongodb.py
+++ b/kaneda/backends/mongodb.py
@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+
 from datetime import datetime
 
 try: