diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 28d582e..8c6e3a8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -3,11 +3,11 @@
 
 name: Automated Release
 on:
-  push:
-    branches: [main]
+  schedule:
+    - cron: 35 3 2 * *
   workflow_dispatch:
 # Serialize release runs. Each run's release-notes lower bound is the latest tag
-# at the time its prepare job runs; two merges in quick succession would both
+# at the time its prepare job runs; two runs in quick succession would both
 # read that bound before either run has tagged, producing overlapping notes.
 # Queueing (no cancel) lets the earlier release finish and create its tag first,
 # so the next run's notes start from that tag and carry only its own commits.
@@ -19,7 +19,7 @@ jobs:
     name: Prepare Release
     runs-on: ubuntu-latest
     outputs:
-      needed: ${{ steps.gate.outputs.needed }}
+      needed: ${{ steps.gate.outputs.needed == 'true' && steps.quota.outputs.available == 'true' }}
       version: ${{ steps.version.outputs.version }}
       previous: ${{ steps.gate.outputs.last }}
     steps:
@@ -32,9 +32,13 @@ jobs:
         uses: metio/ci/needs-release@4e1bc9f3d854998e07b63b20a49dd60e652c0d32 # 2026.10.30204559
         with:
           paths: src/main/java pom.xml
+      - id: quota
+        name: Check Maven Central quota
+        if: steps.gate.outputs.needed == 'true'
+        uses: metio/ci/central-quota@4e1bc9f3d854998e07b63b20a49dd60e652c0d32 # 2026.10.30204559
       - id: version
         name: Compute the next version
-        if: steps.gate.outputs.needed == 'true'
+        if: steps.gate.outputs.needed == 'true' && steps.quota.outputs.available == 'true'
         uses: metio/ci/calver@4e1bc9f3d854998e07b63b20a49dd60e652c0d32 # 2026.10.30204559
   release:
     needs: [prepare]