diff --git a/requirements.txt b/requirements.txt
index dac9e90..61df209 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Pillow==7.0.0
 protobuf==3.11.3
 pyparsing==2.4.6
 python-dateutil==2.8.1
-PyYAML==5.3
+PyYAML==5.4
 six==1.14.0
 tensorboardX==2.0
 torch==1.4.0