diff --git a/requirements.txt b/requirements.txt
index 3fe42140620..f2202dcca2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ gunicorn~=20.1.0
 jinja2
 pygtrie~=2.4.2
 psycopg2>=2.7,<2.9 # pin to < 2.9 until django 3
-PyYAML>=5.1.1,<5.5.0
+PyYAML>=5.1.1,<6.1.0
 python-gnupg~=0.4.7
 redis>=3.4.0
 rq~=1.9.0