diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 46c49f93c6..16b12e98e7 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -38,7 +38,7 @@ django-storages<1.9
 # Support was dropped for Python 3.5
 drf-yasg<1.17.1
 
-# Not properly supporting latest changing of drf-jwt
+# drf-jwt 1.15.0 contains a migration that breaks on MySQL: https://github.com/Styria-Digital/django-rest-framework-jwt/issues/40
 drf-jwt==1.14.0
 
 # Upgrading to 2.12.0 breaks several test classes due to API changes, need to update our code accordingly