diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bcbbb4bb..70fbb643 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@e6a1170cbd07eb898017958967912976fce18f2d # 2026.7.3
+    uses: taiki-e/github-actions/.github/workflows/tidy.yml@dc24bff2366e8ddeea5e0e4168df3d6f4b93f596 # 2026.8.8
     permissions:
       security-events: write # for github/codeql-action/*
   test-manifest-schema: