diff --git a/setup.py b/setup.py
index 8038285..ab9dd97 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,8 @@ setuptools.setup(
     install_requires=[
       'python-dateutil',
       'requests',
-      'numpy'
+      'numpy',
+      'OpenSSL'
     ],
     classifiers=[
         "Programming Language :: Python :: 3",