diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9002ebf..43d7053 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@v6.0.3
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.313.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: "3.3"
 
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index eec8d26..0ec00ff 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v6.0.3
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1.313.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: "3.3"
 
diff --git a/action.yml b/action.yml
index d3612cd..f877c33 100644
--- a/action.yml
+++ b/action.yml
@@ -51,7 +51,7 @@ runs:
   using: "composite"
   steps:
     - name: Set up Ruby
-      uses: ruby/setup-ruby@v1.313.0
+      uses: ruby/setup-ruby@v1.321.0
       with:
         ruby-version: ${{ inputs.ruby-version }}