diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index a6923293..eff8f919 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -2,7 +2,7 @@ name: Docker nightly build
 
 on:
   schedule:
-    - cron: '0 1 * * *'
+    - cron: '0 0 1 * *'
 
 jobs:
   build_image: