diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ddcc9c7..0620dd9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -93,6 +93,8 @@ jobs:
             rails: "8.0"
           - ruby: "3.0"
             rails: "8.0"
+          - ruby: "3.1"
+            rails: "8.0"
           - ruby: "jruby"
             rails: "8.0"
     name: Rails ${{ matrix.rails }}, Ruby ${{ matrix.ruby }}, Sequel ${{ matrix.sequel }}