diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b45574..995b11d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,6 +17,7 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
         rails:
           - rails_70
           - rails_71
@@ -25,6 +26,8 @@ jobs:
         exclude:
           - ruby: "3.1"
             rails: rails_80
+          - ruby: "3.4"
+            rails: rails_70
     steps:
       - uses: actions/checkout@v4
       - name: Configure bundler (default)
diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 9a2fff5..8d3c2aa 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -4,7 +4,7 @@ on:
   pull_request:
 
 env:
-  RUBY_VERSION: ${{ vars.RUBOCOP_RUBY_VERSION || '3.3' }}
+  RUBY_VERSION: ${{ vars.RUBOCOP_RUBY_VERSION || '3.4' }}
 
 jobs:
   rubocop: