diff --git a/requirements.txt b/requirements.txt
index b0a2f3e..24ca4ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ placebo==0.8.1
 pyScss==1.3.5
 python-dateutil==2.6.1
 python-slugify==1.2.4
-PyYAML==3.12
+PyYAML==5.4
 requests==2.19.1
 s3transfer==0.1.13
 six==1.11.0