diff --git a/dna2vec/multi_k_model.py b/dna2vec/multi_k_model.py
index 1af9e66..1d1513c 100644
--- a/dna2vec/multi_k_model.py
+++ b/dna2vec/multi_k_model.py
@@ -1,3 +1,5 @@
+from __future__ import print_function
+
 import logbook
 import tempfile
 import numpy as np
diff --git a/setup.py b/setup.py
index 5a53ffb..ec9aa32 100644
--- a/setup.py
+++ b/setup.py
@@ -10,6 +10,7 @@
     url='https://github.com/pnpnpn/dna2vec',
     license='MIT',
     install_requires=[
-        'gensim>=0.13,<1.0'
+        'gensim>=0.13,<1.0',
+        'logbook',
     ],
     packages=find_packages())