diff --git a/requirements.txt b/requirements.txt
index 53313ba9e..1fca476d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,3 +15,5 @@ ftfy>=4.4.2,<5.0.0
 pytest>=3.0.6,<4.0.0
 pip>=9.0.0,<10.0.0
 mock>=2.0.0,<3.0.0
+msgpack-python
+msgpack-numpy
diff --git a/setup.py b/setup.py
index bedc1b42f..093f0c199 100755
--- a/setup.py
+++ b/setup.py
@@ -200,7 +200,9 @@ def setup_package():
                 'dill>=0.2,<0.3',
                 'requests>=2.13.0,<3.0.0',
                 'regex==2017.4.5',
-                'ftfy>=4.4.2,<5.0.0'],
+                'ftfy>=4.4.2,<5.0.0',
+                'msgpack-python',
+                'msgpack-numpy'],
             classifiers=[
                 'Development Status :: 5 - Production/Stable',
                 'Environment :: Console',