diff --git a/.github/workflows/core_auto_update.yml b/.github/workflows/core_auto_update.yml
index b3fa54a5..6f755f5f 100644
--- a/.github/workflows/core_auto_update.yml
+++ b/.github/workflows/core_auto_update.yml
@@ -12,7 +12,7 @@ jobs:
     uses: juewuy/ShellCrash/.github/workflows/update_singbox_core.yaml@dev
     with:
       tag1: reF1nd/sing-box
-      tag2: reF1nd-dev
+      tag2: reF1nd-testing
       tag4: singboxr
       tag5: with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_shadowsocksr,with_acme,with_clash_api,with_tailscale
       tag6: gz