diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f3149bc..8b3b586 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.319.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: "3.1"
           bundler-cache: true
@@ -52,7 +52,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.319.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
@@ -76,7 +76,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.319.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: "3.1"
           bundler-cache: true
@@ -111,7 +111,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.319.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: "3.1"
           bundler-cache: true
@@ -135,7 +135,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.319.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: "3.1"
           bundler-cache: true
diff --git a/.github/workflows/dependency-updates.yml b/.github/workflows/dependency-updates.yml
index f2f4db2..2bde30d 100644
--- a/.github/workflows/dependency-updates.yml
+++ b/.github/workflows/dependency-updates.yml
@@ -21,7 +21,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.319.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: '3.1'
 
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 29a06e6..af4c2b5 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -21,7 +21,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.319.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: "3.1"
           bundler-cache: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e5e9190..b433638 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.319.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: "3.1"
           bundler-cache: true