diff --git a/requirements.txt b/requirements.txt
index 9f0352ccef1b6c08f099f547643c12706cf0bb2c..c7560c073e214e8efa087372409613c330bcdfdc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,8 +34,11 @@ python-nest>=2.1
 # z-wave
 pydispatcher>=2.0.5
 
+# isy994
+PyISY>=1.0.0
+
 # sensor.systemmonitor 
 psutil>=2.2.1
 
 #pushover notifications
-python-pushover>=0.2
\ No newline at end of file
+python-pushover>=0.2