diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a290a3..3fd39a7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,6 +27,7 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
           # - 'head'
           # - "jruby"
           # - 'jruby-head'
@@ -83,6 +84,13 @@ jobs:
           - ruby: '3.3'
             rails: 'rails_5.2'
 
+          - ruby: '3.4'
+            rails: 'rails_5.0'
+          - ruby: '3.4'
+            rails: 'rails_5.1'
+          - ruby: '3.4'
+            rails: 'rails_5.2'
+
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.rails }}.gemfile