diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 076b15542d34..f21ae36e9a8c 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         # [ubuntu, macos, windows]
         os: [windows]
-        ruby: ['2.7', '3.0', '3.1', '3.2', 'head']
+        ruby: ['2.7', '3.0', '3.1', '3.2', '3.3', 'head']
         include:
           - os: windows
             ruby: mingw