diff --git a/requirements.txt b/requirements.txt
index dffde14..82e4fc1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ pycparser==2.19
 PyJWT==1.7.1
 python-dateutil==2.6.1
 python-slugify==1.2.4
-PyYAML==5.1.2
+PyYAML==5.4
 requests==2.22.0
 s3transfer==0.2.1
 six==1.12.0