diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 282fc6e..00fa9fa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
       security-events: write # for github/codeql-action/*
   miri:
     needs: tidy
-    uses: taiki-e/github-actions/.github/workflows/rust-miri.yml@dc24bff2366e8ddeea5e0e4168df3d6f4b93f596 # 2026.8.8
+    uses: taiki-e/github-actions/.github/workflows/rust-miri.yml@04a42ca09aaeb9b6c0bce43c23fb9e13eb197d85 # 2026.9.9
   msrv:
     needs: tidy
     uses: taiki-e/github-actions/.github/workflows/rust-msrv.yml@04a42ca09aaeb9b6c0bce43c23fb9e13eb197d85 # 2026.9.9