diff --git a/fleet-captain/requirements.txt b/fleet-captain/requirements.txt
index 400968e..ca38d84 100644
--- a/fleet-captain/requirements.txt
+++ b/fleet-captain/requirements.txt
@@ -11,7 +11,7 @@ pyasn1==0.4.2
 pynamodb==3.2.1
 python-dateutil==2.6.1
 pytz==2018.3
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 rsa==3.4.2
 s3transfer==0.1.13