diff --git a/requirements.txt b/requirements.txt
index 569d870..07b99bd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -123,7 +123,7 @@ python-xapp==1.0.0
 pytz==2019.3
 PyWavelets==1.0.3
 pyxdg==0.25
-PyYAML==5.3
+PyYAML==5.4
 pyzmq==17.1.2
 qrangeslider==0.1.1
 qtconsole==4.4.3