diff --git a/requirements.txt b/requirements.txt
index e53ca27..bff2280 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ mkdocs-minify-plugin==0.2.1
 pep562==1.0
 Pygments==2.5.2
 pymdown-extensions==6.2
-PyYAML==5.2
+PyYAML==5.4
 repackage==0.7.3
 six==1.13.0
 termcolor==1.1.0