diff --git a/requirements.txt b/requirements.txt
index 5d58ef5..08b9c28 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -76,7 +76,7 @@ pytest==5.1.2
 python-dateutil==2.8.0
 python-nmap==0.6.1
 pytz==2019.2
-PyYAML==5.1.2
+PyYAML==5.4
 requests==2.22.0
 requests-file==1.4.3
 requests-futures==1.0.0