diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index a2f9710..5a81c3d 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -18,12 +18,11 @@ jobs:
         ruby:
           - "3.0"
           - "3.1"
+          - "3.2"
+          - "3.3"
         backend:
           - active_record
           - mongoid
-        exclude:
-          - gemfile: rails6.1
-            ruby: "3.1"
     name: ${{ matrix.gemfile }}, ruby ${{ matrix.ruby }}, ${{ matrix.backend }}
     runs-on: ubuntu-latest
     env:
diff --git a/Dockerfile b/Dockerfile
index d523fff..31500e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.1-alpine
+FROM ruby:3.3-alpine
 
 RUN apk add build-base sqlite-dev tzdata git bash
 RUN gem update --system && gem install bundler