diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 479f26db..e886f514 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - uses: ruby/setup-ruby@v1
+      - uses: ruby/setup-ruby@v1.301.0
         with:
           ruby-version: ruby
           bundler-cache: true
diff --git a/.github/workflows/stable.yml b/.github/workflows/stable.yml
index b700cd7c..f9cf025d 100644
--- a/.github/workflows/stable.yml
+++ b/.github/workflows/stable.yml
@@ -30,7 +30,7 @@ jobs:
 
       - run: rm Gemfile.lock
 
-      - uses: ruby/setup-ruby@v1
+      - uses: ruby/setup-ruby@v1.301.0
         with:
           ruby-version: ${{ matrix.ruby-version }}
           rubygems: default
diff --git a/.github/workflows/unstable.yml b/.github/workflows/unstable.yml
index 5d051a2a..5dc402ad 100644
--- a/.github/workflows/unstable.yml
+++ b/.github/workflows/unstable.yml
@@ -22,7 +22,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - uses: ruby/setup-ruby@v1
+      - uses: ruby/setup-ruby@v1.301.0
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true