diff --git a/.github/workflows/Deploy.yml b/.github/workflows/Deploy.yml
index 1567a1ae..da023997 100644
--- a/.github/workflows/Deploy.yml
+++ b/.github/workflows/Deploy.yml
@@ -6,7 +6,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04]
-        ruby: [2.6]
+        ruby: [3.1.1]
 
     name: ${{ matrix.os }} / Ruby ${{ matrix.ruby }}
     runs-on: ${{ matrix.os }}