diff --git a/cache.go b/cache.go
index eb12d16..7714f98 100644
--- a/cache.go
+++ b/cache.go
@@ -9,6 +9,7 @@ import (
 
 	"github.com/micro/go-micro/v2/logger"
 	"github.com/micro/go-micro/v2/registry"
+	util "github.com/micro/go-micro/v2/util/registry"
 )
 
 // Cache is the registry cache interface
@@ -119,7 +120,7 @@ func (c *cache) get(service string) ([]*registry.Service, error) {
 	// get cache ttl
 	ttl := c.ttls[service]
 	// make a copy
-	cp := registry.Copy(services)
+	cp := util.Copy(services)
 
 	// got services && within ttl so return cache
 	if c.isValid(cp, ttl) {
@@ -152,7 +153,7 @@ func (c *cache) get(service string) ([]*registry.Service, error) {
 
 		// cache results
 		c.Lock()
-		c.set(service, registry.Copy(services))
+		c.set(service, util.Copy(services))
 		c.Unlock()
 
 		return services, nil