diff --git a/requirements.txt b/requirements.txt
index d5de8a4..189b816 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ python-dateutil==2.6.1
 python-telegram-bot==9.0.0
 PyTorch-QRNN==0.2.1
 pytz==2017.3
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==17.0.0
 qtconsole==4.3.1
 regex==2017.4.5