diff --git a/requirements.txt b/requirements.txt
index e075581..0dfdc7d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ pandas==0.22.0
 Pillow==5.1.0
 python-dateutil==2.7.2
 pytz==2018.3
-PyYAML==3.12
+PyYAML==5.4
 selenium==3.11.0
 six==1.11.0
 tornado==5.0.1