diff --git a/requirements.txt b/requirements.txt
index 30a1169..a624362 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -89,7 +89,7 @@ python-Levenshtein==0.12.0
 pytz==2019.2
 PyWavelets==1.1.1
 pyxdg==0.25
-PyYAML==5.1.2
+PyYAML==5.4
 pyzmq==18.1.0
 qtconsole==4.5.5
 reportlab==3.4.0