diff --git a/requirements.txt b/requirements.txt
index 6a16233..c554867 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 click==7.0
 tabulate==0.8.6
-pyYAML==5.1
+pyYAML==5.4
 pytest==4.1.0
 pytest-cov==2.5.1
 pytest-dependency==0.4.0