diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7f8d763..c7b9a54e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,7 @@ concurrency:
 
 jobs:
   tidy:
-    uses: taiki-e/github-actions/.github/workflows/tidy.yml@dc24bff2366e8ddeea5e0e4168df3d6f4b93f596 # 2026.8.8
+    uses: taiki-e/github-actions/.github/workflows/tidy.yml@04a42ca09aaeb9b6c0bce43c23fb9e13eb197d85 # 2026.9.9
     permissions:
       security-events: write # for github/codeql-action/*
   test-manifest-schema: