diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3019063..cbf761f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -19,7 +19,7 @@ pycodestyle==2.5.0
 pyflakes==2.1.1
 Pygments==2.3.1
 pylint==2.3.1
-PyYAML==5.1
+PyYAML==5.4
 readme-renderer==24.0
 requests==2.21.0
 requests-toolbelt==0.9.1