diff --git a/requirements_base.txt b/requirements_base.txt
index 10157f69..3b01986c 100644
--- a/requirements_base.txt
+++ b/requirements_base.txt
@@ -30,7 +30,7 @@ pytest==2.9.2
 pytest-django==3.0.0
 python-redis-lock==3.3.1
 pytz==2017.3
-PyYAML==3.12
+PyYAML==5.4
 raven==5.25.0
 redis==2.10.5
 requests==2.11.1