diff --git a/requirements.txt b/requirements.txt
index 4044879..4474424 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ ptyprocess==0.5.2
 pycparser==2.18
 pylint==1.8.3
 pypandoc==1.4
-pyyaml==5.3.1
+pyyaml==5.4
 requests==2.20.0
 requests-toolbelt==0.8.0
 six==1.11.0