diff --git a/requirements.txt b/requirements.txt
index cb2ec94..03e3ce7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,7 +58,7 @@ Pygments==2.6.1
 pyparsing==2.4.6
 python-dateutil==2.8.1
 pytoml==0.1.21
-PyYAML==5.3.1
+PyYAML==5.4
 readme-renderer==26.0
 requests==2.22.0
 requests-oauthlib==1.3.0