diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 7096e64..fddd927 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -18,6 +18,7 @@ jobs:
       contents: read
       issues: write
       pull-requests: write
+      statuses: write
 
     steps:
       - name: React to trigger comment
@@ -39,6 +40,20 @@ jobs:
           SHA=$(gh api repos/${{ github.repository }}/pulls/${{ github.event.issue.number }} --jq '.head.sha')
           echo "sha=$SHA" >> "$GITHUB_OUTPUT"
 
+      - name: Set commit status to pending
+        uses: actions/github-script@v7
+        with:
+          script: |
+            github.rest.repos.createCommitStatus({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              sha: '${{ steps.sha.outputs.sha }}',
+              state: 'pending',
+              target_url: `${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}`,
+              description: 'Simulation test running…',
+              context: 'Simulation Tests',
+            });
+
       - uses: actions/checkout@v4
         with:
           ref: ${{ steps.sha.outputs.sha }}
@@ -87,6 +102,23 @@ jobs:
           path: anims/ci_test.mp4
           if-no-files-found: warn
 
+      - name: Update commit status
+        uses: actions/github-script@v7
+        if: always()
+        with:
+          script: |
+            const success = '${{ steps.verify.outcome }}' === 'success';
+            const runUrl = `${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}`;
+            github.rest.repos.createCommitStatus({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              sha: '${{ steps.sha.outputs.sha }}',
+              state: success ? 'success' : 'failure',
+              target_url: runUrl,
+              description: success ? 'Simulation test passed' : 'Simulation test failed',
+              context: 'Simulation Tests',
+            });
+
       - name: Comment result on PR
         uses: actions/github-script@v7
         if: always()