diff --git a/requirements.txt b/requirements.txt
index 8c32751..59bcde7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -186,7 +186,7 @@ pytz==2019.1
 PyWavelets==1.0.3
 pywin32==223
 pywinpty==0.5.5
-PyYAML==5.1.1
+PyYAML==5.4
 pyzmq==18.0.0
 QtAwesome==0.5.7
 qtconsole==4.5.2