diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cdca296..bfe40e5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,9 +15,8 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - 2.7.4
           - 3.1.3
-
+          - 3.3.3
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby