diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58a9f4cc..771bb207 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,10 +31,12 @@ NOTE: Add new changes BELOW THIS COMMENT.
 
 ### Fixed
 
+- Custom client cache ([#7250]).
 - Missing runtime clients with information from the system hosts file on first
   AdGuard Home start ([#7315]).
 
 [#6818]: https://github.com/AdguardTeam/AdGuardHome/issues/6818
+[#7250]: https://github.com/AdguardTeam/AdGuardHome/issues/7250
 [#7315]: https://github.com/AdguardTeam/AdGuardHome/issues/7315
 
 <!--
diff --git a/internal/home/clients.go b/internal/home/clients.go
index 409d4039..59b9cbe3 100644
--- a/internal/home/clients.go
+++ b/internal/home/clients.go
@@ -417,6 +417,11 @@ func (clients *clientsContainer) UpstreamConfigByID(
 	)
 	c.UpstreamConfig = conf
 
+	err = clients.storage.Update(c.Name, c)
+	if err != nil {
+		return nil, fmt.Errorf("setting upstream config: %w", err)
+	}
+
 	return conf, nil
 }