diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3e155064..f3b02a22 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -78,7 +78,7 @@ packages:
         - mime-mail-ses
         - network-conduit-tls
         - persistent
-        # via mysql https://github.com/bos/mysql/issues/20 - persistent-mysql
+        - persistent-mysql
         - persistent-postgresql
         - persistent-sqlite
         - persistent-template