diff --git a/requirements.txt b/requirements.txt
index 1cbee28..5feaa2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ lambda-packages==0.19.0
 placebo==0.8.1
 python-dateutil==2.6.1
 python-slugify==1.2.4
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 s3transfer==0.1.13
 six==1.11.0