diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index edbe3fe..f885e8e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby_version: ["2.7","3.0","3.1","3.2"]
+        ruby_version: ["2.7", "3.0", "3.1", "3.2", "3.3"]
         os: ["ubuntu-latest","windows-latest","macos-latest"]
     runs-on: ${{ matrix.os }}
     steps: