diff --git a/requirements.txt b/requirements.txt
index 58d13e8..319fc9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -80,7 +80,7 @@ pyquaternion==0.9.5
 pytest==5.3.5
 python-dateutil==2.7.5
 pytz==2018.9
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==17.1.2
 qtconsole==4.4.3
 requests==2.21.0