diff --git a/requirements.txt b/requirements.txt
index 72c791e..63bf20d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 Click==7.0
 coverage==4.5.3
-PyYAML==5.1.1
+PyYAML==5.4
 mistune==0.8.4