diff --git a/build-constraints.yaml b/build-constraints.yaml
index 781f3c1d..ae1a00d6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -80,7 +80,7 @@ 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