diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1844e97..f8328d6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,7 @@ jobs:
           - 3.1
           - 3.2
           - 3.3
+          - 3.4
         rails-version:
           - '6.0'
           - 6.1
@@ -55,6 +56,12 @@ jobs:
             rails-version: 6.1
           - ruby-version: 3.3
             rails-version: 7.0
+          - ruby-version: 3.4
+            rails-version: 6.0
+          - ruby-version: 3.4
+            rails-version: 6.1
+          - ruby-version: 3.4
+            rails-version: 7.0
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/rails_${{ matrix.rails-version }}.gemfile
     steps: