diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index db0a109..cc10037 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,11 +12,14 @@ on:
 
 jobs:
   test:
-
     strategy:
       matrix:
         os: [ubuntu-latest]
-        ruby-version: [2.6, 2.7, '3.0', 3.1, 3.2]
+        ruby-version:
+          - "3.0"
+          - "3.1"
+          - "3.2"
+          - "3.3"
 
     runs-on: ${{ matrix.os }}