diff --git a/requirements.txt b/requirements.txt
index 4ba76b7..736433e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 coverage==5.2.1
 nose2==0.9.2
-PyYAML==5.3.1
+PyYAML==5.4
 six==1.15.0