diff --git a/requirements.txt b/requirements.txt
index bcdbc3e..1d8c147 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -123,7 +123,7 @@ python-socketio==1.8.4
 python-speech-features==0.6
 pytz==2017.3
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.2
 requests==2.18.4
 requests-oauthlib==0.8.0