diff --git a/requirements.txt b/requirements.txt
index 4e8f060..fb5293b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,6 +10,6 @@ paramiko==2.4.2
 pyasn1==0.4.5
 pycparser==2.19
 PyNaCl==1.3.0
-PyYAML==5.1
+PyYAML==5.4
 scp==0.13.2
 six==1.12.0