diff --git a/setup.py b/setup.py
index 20f959ae..7c7092d4 100644
--- a/setup.py
+++ b/setup.py
@@ -28,6 +28,7 @@
     install_requires=[
         'cloudify-common>=4.5',
         'boto3==1.9.57',
-        'botocore==1.12.71'
+        'botocore==1.12.71',
+        'pycrypto'
     ]
 )