diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a793a2b..64bb00e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -73,7 +73,10 @@ jobs:
         with:
           persist-credentials: false
           fetch-depth: 0
-      - uses: wagoid/commitlint-github-action@b948419dd99f3fd78a6548d48f94e3df7f6bf3ed  # v6.2.1
+      # Fork of wagoid/commitlint-github-action. Upstream is unmaintained: no
+      # commit to master since 2025-01-14, and it pins @commitlint/ensure ^19,
+      # two majors behind. This fork runs commitlint v21 on node 24.
+      - uses: yo61/commitlint-github-action@31e5e0454fc0709625e6dcfb502ea18978f45f15  # v6.3.0
 
   zizmor:
     name: zizmor