diff --git a/requirements.txt b/requirements.txt
index 76c196c..8961193 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -64,7 +64,7 @@ python-engineio==1.0.3
 python-gflags==3.0.7
 python-socketio==1.6.0
 pytz==2016.6.1
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==15.4.0
 qtconsole==4.2.1
 redis==2.10.5