diff --git a/server/requirements.txt b/server/requirements.txt
index ddf7298..0350652 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -25,7 +25,7 @@ psycopg2==2.7.3.1
 pyparsing==2.2.0
 pyproj==1.9.5.1
 pytz==2017.2
-PyYAML==4.2b1
+PyYAML==5.4
 requests==2.20.0
 six==1.11.0
 sqlacodegen==1.1.6