diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index 6e7d7c7..fa32aed 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -15,7 +15,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: "Setup sing-box"
       env:
-        SING_BOX_DEB_URL: "https://github.com/SagerNet/sing-box/releases/download/v1.8.0-rc.7/sing-box_1.8.0-rc.7_linux_amd64.deb"
+        SING_BOX_DEB_URL: "https://github.com/SagerNet/sing-box/releases/download/v1.9.0/sing-box_1.9.0_linux_amd64.deb"
       run: |
           set -Eeuo pipefail
           wget -O sing-box.deb $SING_BOX_DEB_URL