diff --git a/.github/workflows/toc.yml b/.github/workflows/toc.yml
index 444f7167..47ecbfc5 100644
--- a/.github/workflows/toc.yml
+++ b/.github/workflows/toc.yml
@@ -8,6 +8,6 @@ jobs:
       - uses: technote-space/toc-generator@v4
         with:
             TARGET_PATHS: "README.md"
-            MAX_HEADER_LEVEL: 1
+            MAX_HEADER_LEVEL: 2
             FOLDING: true
             GITHUB_TOKEN: ${{ secrets.ACCESS_TOC_TOKEN }}
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