diff --git a/setup.py b/setup.py
index 19641b6..9258f4e 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
         'psycopg2==2.8.3',
         'python-jose==3.0.1',
         'pytz==2018.7',
-        'PyYAML==5.1.2',
+        'PyYAML==5.4',
         'requests==2.22.0',
         'rollbar==0.14.5',
         'SQLAlchemy==1.3.8',