diff --git a/requirements.txt b/requirements.txt
index f9512fb..667a3ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,5 @@ MarkupSafe==1.1.1
 packaging==20.7
 pycparser==2.20
 pyparsing==2.4.7
-PyYAML==5.3.1
+PyYAML==5.4
 six==1.15.0