diff --git a/requirements.txt b/requirements.txt
index bde0dfb..62b0236 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ Pygments==2.4.2
 pyparsing==2.4.2
 pytest==5.1.2
 pytest-cov==2.7.1
-PyYAML==5.2
+PyYAML==5.4
 readme-renderer==24.0
 requests==2.22.0
 requests-toolbelt==0.9.1