diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7f30608df..5f3e1f775 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,7 +19,7 @@ jobs:
       matrix:
         os: [ ubuntu-20.04, ubuntu-22.04, macos-11, macos-12, macos-13, windows-2019, windows-2022 ]
         ruby: [
-          '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', ruby-head,
+          '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', ruby-head,
           jruby, jruby-head,
           truffleruby, truffleruby-head,
           truffleruby+graalvm, truffleruby+graalvm-head
@@ -32,12 +32,14 @@ jobs:
         - { os: windows-2022, ruby: ucrt  }
         exclude:
         - { os: windows-2019, ruby: '1.9' }
+        - { os: windows-2019, ruby: '3.3' }
         - { os: windows-2019, ruby: debug }
         - { os: windows-2019, ruby: truffleruby }
         - { os: windows-2019, ruby: truffleruby-head }
         - { os: windows-2019, ruby: truffleruby+graalvm }
         - { os: windows-2019, ruby: truffleruby+graalvm-head }
         - { os: windows-2022, ruby: '1.9' }
+        - { os: windows-2022, ruby: '3.3' }
         - { os: windows-2022, ruby: debug }
         - { os: windows-2022, ruby: truffleruby }
         - { os: windows-2022, ruby: truffleruby-head }