diff --git a/requirements.txt b/requirements.txt
index 1ba0a44..5080822 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -165,7 +165,7 @@ pytz==2019.3
 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