diff --git a/requirements.txt b/requirements.txt
index 679d3a8..29b204b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 fire==0.1.2
-PyYAML==5.1
+PyYAML==5.4
 six==1.11.0
 guzzle_sphinx_theme
\ No newline at end of file