From 1c8ac91ecfffe3efb01da9c6914f8adb08759614 Mon Sep 17 00:00:00 2001
From: Shizuo Fujita <fujita@clear-code.com>
Date: Fri, 27 Mar 2026 15:46:34 +0900
Subject: [PATCH] ci: use sha pinning to mitigate

Signed-off-by: Shizuo Fujita <fujita@clear-code.com>
---
 .github/workflows/run_spec.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/run_spec.yml b/.github/workflows/run_spec.yml
index 73f9053..c445fae 100644
--- a/.github/workflows/run_spec.yml
+++ b/.github/workflows/run_spec.yml
@@ -24,9 +24,9 @@ jobs:
     env:
       LANG: en_US.UTF-8
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - name: Set up Ruby ${{  matrix.ruby }}
-      uses: ruby/setup-ruby@v1
+      uses: ruby/setup-ruby@4dc28cf14d77b0afa6832d9765ac422dbf0dfedd # v1.298.0
       with:
         ruby-version: ${{ matrix.ruby }}
     - name: Install dependencies