diff --git a/flow/e2e/test_utils.go b/flow/e2e/test_utils.go
index 1c68449cec..b8bd2c2ddd 100644
--- a/flow/e2e/test_utils.go
+++ b/flow/e2e/test_utils.go
@@ -516,7 +516,7 @@ func NewTemporalClient(t *testing.T) client.Client {
 	))
 
 	tc, err := client.Dial(client.Options{
-		HostPort: "localhost:7233",
+		HostPort: "127.0.0.1:7233",
 		Logger:   logger,
 	})
 	if err != nil {