diff --git a/requirements.txt b/requirements.txt
index 031fa4b..e127976 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-PyYAML==5.1.2
+PyYAML==5.4
 certifi==2018.10.15
 chardet==3.0.4
 idna==2.8