diff --git a/requirements.txt b/requirements.txt
index 91f53f6..574585a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@ greenlet
 bottle
 gevent
 gevent-websocket
-#RPi.GPIO
+RPi.GPIO
 Adafruit-MAX31855
 Adafruit-GPIO