diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dd0bd6c..88e8c69 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,8 +8,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        gemfile: [rails_5_2.gemfile, rails_6_0.gemfile, rails_6_1.gemfile, rails_7_0.gemfile, rails_7_1.gemfile, rails_7_2.gemfile, rails_main.gemfile]
-        ruby_version: ['2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3']
+        gemfile: [rails_5_2.gemfile, rails_6_0.gemfile, rails_6_1.gemfile, rails_7_0.gemfile, rails_7_1.gemfile, rails_7_2.gemfile, rails_8_0.gemfile, rails_main.gemfile]
+        ruby_version: ['2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4']
         exclude:
           - gemfile: rails_main.gemfile
             ruby_version: '2.3'
@@ -25,6 +25,20 @@ jobs:
             ruby_version: '3.0'
           - gemfile: rails_main.gemfile
             ruby_version: '3.1'
+          - gemfile: rails_8_0.gemfile
+            ruby_version: '2.3'
+          - gemfile: rails_8_0.gemfile
+            ruby_version: '2.4'
+          - gemfile: rails_8_0.gemfile
+            ruby_version: '2.5'
+          - gemfile: rails_8_0.gemfile
+            ruby_version: '2.6'
+          - gemfile: rails_8_0.gemfile
+            ruby_version: '2.7'
+          - gemfile: rails_8_0.gemfile
+            ruby_version: '3.0'
+          - gemfile: rails_8_0.gemfile
+            ruby_version: '3.1'
           - gemfile: rails_7_2.gemfile
             ruby_version: '2.3'
           - gemfile: rails_7_2.gemfile