diff --git a/pi/requirements.txt b/pi/requirements.txt
index c84036d..8645463 100644
--- a/pi/requirements.txt
+++ b/pi/requirements.txt
@@ -1,2 +1,2 @@
-requests>=2.1.0
-RPi.GPIO>=0.6.0
+requests==2.18.1
+paho_mqtt==1.3.0