diff --git a/requirements.txt b/requirements.txt
index cbd39c2..297455b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ pytest==3.1.3
 pytest-asyncio==0.6.0
 pytest-runner==2.11.1
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.4
 redis==2.10.5
 requests==2.18.1
 sanic==0.5.4