diff --git a/requirements/prod.txt b/requirements/prod.txt
index 45d571b9f..dca019113 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -63,7 +63,7 @@ pyinstrument==3.2.0
 pyinstrument-cext==0.2.2
 pymongo==3.0  # For json_util in bson
 Pympler==0.9
-PyNaCl==1.4.0
+PyNaCl==1.5.0
 python-dateutil==2.8.2
 pytz==2021.3
 PyYAML==5.4.1