diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc53582..9c4c96e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '2.6', '2.7', '3.0', '3.1', '3.2' ]
+        ruby: [ '2.6', '2.7', '3.0', '3.1', '3.2', '3.3' ]
         bundler: [ '1.17.3', '2.3.12' ]
         database: [ 'mysql2', 'postgresql', 'sqlite3' ]
         exclude:
@@ -23,6 +23,8 @@ jobs:
             bundler: '1.17.3'
           - ruby: '3.2'
             bundler: '1.17.3'
+          - ruby: '3.3'
+            bundler: '1.17.3'
 
     services:
       postgres: