diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c5c380f..9f42181 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['2.6', '2.7', '3.0', '3.1']
+        ruby: ['2.6', '2.7', '3.0', '3.1', '3.2', '3.3']
       fail-fast: false
     steps:
       - name: Checkout
diff --git a/.ruby-version b/.ruby-version
index 79bc2c7..ac55709 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-3.0.4
+ruby-3.2.5