diff --git a/homeassistant/components/switch/rainbird.py b/homeassistant/components/switch/rainbird.py
index 9678babaea5..7753c07e9ca 100644
--- a/homeassistant/components/switch/rainbird.py
+++ b/homeassistant/components/switch/rainbird.py
@@ -16,7 +16,7 @@ from homeassistant.const import (CONF_PLATFORM, CONF_SWITCHES, CONF_ZONE,
 from homeassistant.helpers import config_validation as cv
 from homeassistant.exceptions import PlatformNotReady
 
-REQUIREMENTS = ['pyrainbird==0.1.0']
+REQUIREMENTS = ['pyrainbird==0.1.0', 'pycrypto==2.6.1']
 
 DOMAIN = 'rainbird'
 _LOGGER = logging.getLogger(__name__)
diff --git a/requirements_all.txt b/requirements_all.txt
index abf0b130f24..b280f0fe5a6 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -721,6 +721,9 @@ pyqwikswitch==0.4
 # homeassistant.components.switch.rainbird
 pyrainbird==0.1.0
 
+# homeassistant.components.switch.rainbird
+pycrypto==2.6.1
+
 # homeassistant.components.climate.sensibo
 pysensibo==1.0.1