diff --git a/backend/requirements.txt b/backend/requirements.txt
index a6bfa65..5f26c46 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -3,5 +3,5 @@ psycopg2==2.8
 djangorestframework==3.9.2
 markdown==3.1
 django-filter==2.1.0
-pyyaml==5.1
+pyyaml==5.4
 django-oauth-toolkit==1.2.0