diff --git a/.github/workflows/prepublication-publish-checks.yml b/.github/workflows/prepublication-publish-checks.yml
index 6153a7e4..088a2d36 100644
--- a/.github/workflows/prepublication-publish-checks.yml
+++ b/.github/workflows/prepublication-publish-checks.yml
@@ -6,7 +6,7 @@ on:
       batch-limit:
         description: "Maximum staged publish attempts to check per worker shard"
         required: true
-        default: "2"
+        default: "4"
       max-jobs:
         description: "Optional total attempts cap per worker shard"
         required: false
@@ -14,7 +14,7 @@ on:
       max-runtime-minutes:
         description: "Stop claiming new attempts after this many minutes"
         required: true
-        default: "8"
+        default: "15"
       attempt-id:
         description: "Optional exact publish attempt ID for targeted recovery"
         required: false
@@ -53,7 +53,7 @@ jobs:
   prepublication-publish-checks:
     name: Pre-publication publish checks shard ${{ matrix.shard }}
     runs-on: ${{ inputs.runner || 'blacksmith-8vcpu-ubuntu-2404' }}
-    timeout-minutes: 20
+    timeout-minutes: 25
     environment: Production
     strategy:
       fail-fast: false
@@ -62,9 +62,9 @@ jobs:
         shard: ${{ fromJSON(github.event_name == 'workflow_dispatch' && inputs['attempt-id'] != '' && '[0]' || '[0,1]') }}
     env:
       CONVEX_URL: ${{ vars.CONVEX_URL || vars.VITE_CONVEX_URL || 'https://wry-manatee-359.convex.cloud' }}
-      PREPUBLICATION_CHECK_LIMIT: ${{ inputs['batch-limit'] || '2' }}
+      PREPUBLICATION_CHECK_LIMIT: ${{ inputs['batch-limit'] || '4' }}
       PREPUBLICATION_CHECK_MAX_JOBS: ${{ inputs['max-jobs'] || '' }}
-      PREPUBLICATION_CHECK_MAX_RUNTIME_MINUTES: ${{ inputs['max-runtime-minutes'] || '8' }}
+      PREPUBLICATION_CHECK_MAX_RUNTIME_MINUTES: ${{ inputs['max-runtime-minutes'] || '15' }}
       PREPUBLICATION_CHECK_ATTEMPT_ID: ${{ inputs['attempt-id'] || '' }}
       PREPUBLICATION_CHECK_KIND: ${{ inputs.kind || '' }}
       PREPUBLICATION_CHECK_SLUG: ${{ inputs.slug || '' }}
diff --git a/scripts/security/prepublication-worker-workflow.test.ts b/scripts/security/prepublication-worker-workflow.test.ts
index 28f1214c..4c28b583 100644
--- a/scripts/security/prepublication-worker-workflow.test.ts
+++ b/scripts/security/prepublication-worker-workflow.test.ts
@@ -94,7 +94,7 @@ describe("pre-publication publish worker workflow", () => {
     });
     expect(job.environment).toBe("Production");
     expect(job["runs-on"]).toBe("${{ inputs.runner || 'blacksmith-8vcpu-ubuntu-2404' }}");
-    expect(job["timeout-minutes"]).toBe(20);
+    expect(job["timeout-minutes"]).toBe(25);
     expect(job.strategy?.matrix?.shard).toBe(
       "${{ fromJSON(github.event_name == 'workflow_dispatch' && inputs['attempt-id'] != '' && '[0]' || '[0,1]') }}",
     );
@@ -105,8 +105,9 @@ describe("pre-publication publish worker workflow", () => {
       PREPUBLICATION_CLAWSCAN_TIMEOUT_MS:
         "${{ vars.PREPUBLICATION_CLAWSCAN_TIMEOUT_MS || '240000' }}",
       PREPUBLICATION_CHECK_ATTEMPT_ID: "${{ inputs['attempt-id'] || '' }}",
-      PREPUBLICATION_CHECK_LIMIT: "${{ inputs['batch-limit'] || '2' }}",
+      PREPUBLICATION_CHECK_LIMIT: "${{ inputs['batch-limit'] || '4' }}",
       PREPUBLICATION_CHECK_KIND: "${{ inputs.kind || '' }}",
+      PREPUBLICATION_CHECK_MAX_RUNTIME_MINUTES: "${{ inputs['max-runtime-minutes'] || '15' }}",
       PREPUBLICATION_CHECK_SLUG: "${{ inputs.slug || '' }}",
       PREPUBLICATION_CHECK_VERSION: "${{ inputs.version || '' }}",
       PREPUBLICATION_TRUFFLEHOG_IMAGE: