diff --git a/requirements.txt b/requirements.txt
index 20b2a34..36af7f4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -163,7 +163,7 @@ pytz==2018.5
 PyWavelets==1.0.3
 pywin32==223
 pywinpty==0.5.5
-PyYAML==5.1.2
+PyYAML==5.4
 pyzmq==18.1.0
 QtAwesome==0.6.0
 qtconsole==4.5.5