diff --git a/requirements.txt b/requirements.txt
index 6bebed6..3622723 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -155,7 +155,7 @@ python-socketio==1.8.4
 python-speech-features==0.6
 pytz==2017.3
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==17.1.2
 requests==2.18.4
 requests-oauthlib==0.8.0