diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9002ebf..4d71b16 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1.313.0
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
 
       - name: Install ShellCheck
         run: |
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index eec8d26..b04e6c2 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1.313.0
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
 
       - name: Install ShellCheck
         run: |