diff --git a/requirements.txt b/requirements.txt
index fe1ebfe..c518390 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # enter requirements that aren't related to connecting to the messagebus here
 
 stomp.py==4.1.22
-PyYAML==5.1.2
+PyYAML==5.4
 pytz==2019.2
 pyzmq==18.0.2
 numpy==1.17.0