diff --git a/requirements.txt b/requirements.txt
index f400c1e..95e6917 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@ idna==2.8
 paramiko==2.6.0
 pycparser==2.19
 PyNaCl==1.3.0
-PyYAML==5.2
+PyYAML==5.4
 six==1.13.0