diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index abfd1d4..3c88b9d 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -15,7 +15,7 @@ Pillow==2.9.0
 pisa==3.0.33
 psycopg2==2.6.1
 python-memcached==1.53
-PyYAML==3.11
+PyYAML==5.4
 reportlab==2.7
 requests==2.8.1
 six==1.10.0