diff --git a/requirements.txt b/requirements.txt
index e60a1e8..9ebbbca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ pyee==7.0.2
 pyparsing==2.4.2
 pyppeteer==0.2.2
 python-dateutil==2.8.0
-PyYAML==5.1.2
+PyYAML==5.4
 scipy==1.3.1
 six==1.12.0
 tensorboard==2.0.0