diff --git a/03_room_monitor/requirements.txt b/03_room_monitor/requirements.txt
index c27476b..e064428 100644
--- a/03_room_monitor/requirements.txt
+++ b/03_room_monitor/requirements.txt
@@ -34,7 +34,7 @@ pycparser==2.18
 pyOpenSSL==17.0.0
 python-dateutil==2.6.1
 python-slugify==1.2.4
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 requests-oauthlib==0.8.0
 rsa==3.4.2