diff --git a/requirements.txt b/requirements.txt
index 441ea3b3..4b7f87d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -80,7 +80,7 @@ pyquaternion==0.9.5
 pyrsistent==0.15.4
 python-dateutil==2.8.0
 PyWavelets==1.1.1
-PyYAML==5.1.2
+PyYAML==5.4
 pyzmq==18.1.0
 qtconsole==4.5.5
 requests==2.22.0