diff --git a/.github/workflows/liquid.yml b/.github/workflows/liquid.yml
index 7f7b84a2..bc4fb0a2 100644
--- a/.github/workflows/liquid.yml
+++ b/.github/workflows/liquid.yml
@@ -7,7 +7,7 @@ jobs:
       matrix:
         entry:
           - { ruby: 2.5, allowed-failure: false } # minimum supported
-          - { ruby: 3.0, allowed-failure: false } # latest
+          - { ruby: 3.1, allowed-failure: false } # latest
           - { ruby: ruby-head, allowed-failure: true }
     name: test (${{ matrix.entry.ruby }})
     steps: