diff --git a/requirements.txt b/requirements.txt
index b6e33e9..fe1bcbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ aiohttp==3.6.2
 aiopg==1.0.0
 pytest==5.3.5
 pytest-aiohttp==0.3.0
-PyYAML==5.3
+PyYAML==5.4
 SQLAlchemy==1.3.13
 fastjsonschema==2.14.3
\ No newline at end of file