diff --git a/requirements.txt b/requirements.txt
index e07289879d50d0b503a661e1cbf94e8995c10f13..206cd60ec45ea94eed9f8e750e343a46d8786e62 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 paho-mqtt
 PyYAML>=5.3.1
+enum34
 cerberus