diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7f312698..a99e2b06 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.7, '3.0', 3.1, 3.2]
+        ruby: [2.7, '3.0', 3.1, 3.2, 3.3]
         experimental: [false]
         include:
           - ruby: 'truffleruby-head'
@@ -31,7 +31,7 @@ jobs:
           --health-retries 10
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install the latest Oracle instant client
         run: |