diff --git a/requirements.txt b/requirements.txt
index 40de4d7..79f56e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ torch
 # pip install --use-feature=2020-resolver
 
 # quality
-PyYAML==5.3.1
+PyYAML==5.4
 black==19.10b0
 isort==4.*
 prospector==1.3.0