diff --git a/.github/workflows/release-docker-cu13.yml b/.github/workflows/release-docker-cu13.yml
index d5dfcc270..29d2c2ade 100644
--- a/.github/workflows/release-docker-cu13.yml
+++ b/.github/workflows/release-docker-cu13.yml
@@ -3,7 +3,8 @@ name: Build and Push CUDA 13 Docker Images
 # release this manually via workflow_dispatch for now
 on:
     workflow_dispatch:
-
+    schedule:
+      - cron: "0 0 * * *"
 jobs:
     build-dev:
         if: ${{ github.repository == 'sgl-project/sglang' }}
@@ -15,13 +16,13 @@ jobs:
                       platform: linux/amd64
                       build_type: all
                       grace_blackwell: 0
-                      tag: dev-x86-cu13-$(date +%Y%m%d)
+                      tag: dev-x86-cu13
                       version: 13.0.1
                     - runner: arm-docker-build-node
                       platform: linux/arm64
                       build_type: all
                       grace_blackwell: 1
-                      tag: dev-arm64-cu13-$(date +%Y%m%d)
+                      tag: dev-arm64-cu13
                       version: 13.0.1
         steps:
             - name: Delete huge unnecessary tools folder