From 51449f228b985076a1e3f2776761ee9c844a9bac Mon Sep 17 00:00:00 2001
From: Shizuo Fujita <fujita@clear-code.com>
Date: Sat, 4 Apr 2026 15:45:01 +0900
Subject: [PATCH] CI: Use ruby/setup-ruby@v1

---
 .github/workflows/ci.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3dd6aa5f..32215645 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
         export IMAGEMAGICK_VERSION=${{ matrix.imagemagick-version.full }}
         ./before_install_linux.sh
     - name: Set up Ruby ${{ matrix.ruby-version }}
-      uses: ruby/setup-ruby@master
+      uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true
@@ -69,7 +69,7 @@ jobs:
         export IMAGEMAGICK_VERSION=${{ matrix.imagemagick-version.full }}
         ./before_install_linux.sh
     - name: Set up Ruby ${{ matrix.ruby-version }}
-      uses: ruby/setup-ruby@master
+      uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true
@@ -103,7 +103,7 @@ jobs:
         export IMAGEMAGICK_VERSION=${{ matrix.imagemagick-version.full }}
         ./before_install_linux.sh
     - name: Set up Ruby
-      uses: ruby/setup-ruby@master
+      uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true
@@ -120,7 +120,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Set up Ruby
-      uses: ruby/setup-ruby@master
+      uses: ruby/setup-ruby@v1
       with:
         ruby-version: jruby-${{ matrix.ruby-version }}
         bundler-cache: true