diff --git a/core/requirements.txt b/core/requirements.txt
index c99b0ed..1fe30ed 100644
--- a/core/requirements.txt
+++ b/core/requirements.txt
@@ -15,7 +15,7 @@ itypes==1.1.0
 Jinja2==2.11.3
 MarkupSafe==1.1.1
 pytz==2019.3
-PyYAML==5.3
+PyYAML==5.4
 requests==2.23.0
 sqlparse==0.3.1
 uritemplate==3.0.1