diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index aac040e..5066ed8 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -29,6 +29,7 @@ jobs:
           - { "ruby-version": 3.3.0, "mongo-image": "mongo:5.0" }
           - { "ruby-version": 3.3.0, "mongo-image": "mongo:6.0" }
           - { "ruby-version": 3.3.0, "mongo-image": "mongo:7.0" }
+          - { "ruby-version": 3.3.0, "mongo-image": "mongo:8.0" }
     services:
       mongo:
         image: ${{ matrix.mongo-image }}