diff --git a/requirements.txt b/requirements.txt
index 8e68f83..b303e75 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ pycparser==2.19
 pyparsing==2.4.2
 python-telegram-bot==11.1.0
 pytoml==0.1.21
-PyYAML==5.1.2
+PyYAML==5.4
 requests==2.22.0
 retrying==1.3.3
 six==1.12.0