diff --git a/requirements.txt b/requirements.txt
index ff94235..e6d606e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ django-model-utils==2.6.1
 djangorestframework==3.13.1
 psycopg2==2.9.3
 pytz==2017.3
-PyYAML==3.12
+PyYAML==5.4
 requests==2.27.1
 Unipath==1.1
 uwsgi==2.0.20