diff --git a/requirements.deploy.txt b/requirements.deploy.txt
index 2fd426e..3275fc1 100644
--- a/requirements.deploy.txt
+++ b/requirements.deploy.txt
@@ -3,7 +3,7 @@ chardet==3.0.4
 idna==2.6
 praw==5.2.0
 prawcore==0.12.0
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 SQLAlchemy==1.1.15
 update-checker==0.16