diff --git a/requirements.txt b/requirements.txt
index c85a343..e783cd3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -157,7 +157,7 @@ pytz==2020.1
 PyWavelets==1.0.3
 pywin32==227
 pywinpty==0.5.5
-PyYAML==5.1.1
+PyYAML==5.4
 pyzmq==19.0.2
 QtAwesome==0.5.7
 qtconsole==4.5.1