diff --git a/requirements.txt b/requirements.txt
index 0a59b8f..dc2bdfe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ psycopg2==2.8.3
 django-extensions==2.2.5
 Werkzeug==0.16.0
 coreapi==2.3.3
-PyYAML==5.1.2
+PyYAML==5.4
 drf-yasg==1.17.0
 coverage==5.0.1
 django-cors-headers==3.2.1