diff --git a/client/dial_test.go b/client/dial_test.go
index 9c3e392a8868c8422a82d832a10c5768707506ed..d535767f44313fa06e4ae0beac3acd723d2f4ea3 100644
--- a/client/dial_test.go
+++ b/client/dial_test.go
@@ -25,6 +25,7 @@ func doDialAndExecuteCall(addr string) error {
 	if err != nil {
 		return fmt.Errorf("dial: %v", err)
 	}
+	defer conn.Close()
 
 	client := healthpb.NewHealthClient(conn)
 	_, err = client.Check(context.Background(), &healthpb.HealthCheckRequest{})