diff --git a/requirements.txt b/requirements.txt
index 5aaa69f..38fe6e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-PyYAML==3.11
+PyYAML==5.4
 requests==2.7.0
 six==1.9.0
 websocket-client==0.32.0