diff --git a/setup.py b/setup.py
index 9f99edc..8038285 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,8 @@ setuptools.setup(
     packages=setuptools.find_packages(),
     install_requires=[
       'python-dateutil',
-      'requests'
+      'requests',
+      'numpy'
     ],
     classifiers=[
         "Programming Language :: Python :: 3",