diff --git a/requirements.txt b/requirements.txt
index c6051b7..7918f8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ pyIOSXR==0.53
 PyNaCl==1.3.0
 pyparsing==2.4.2
 pyserial==3.4
-PyYAML==5.1.2
+PyYAML==5.4
 requests==2.22.0
 ruamel.yaml==0.15.100
 scp==0.13.2