diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
new file mode 100644
index 0000000..7ec47e1
--- /dev/null
+++ b/.github/workflows/ruby.yml
@@ -0,0 +1,53 @@
+name: ruby
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  ruby-qa:
+    runs-on: ubuntu-latest
+
+    services:
+      postgres:
+        image: postgres:15-alpine
+        ports: ["5432:5432"]
+        env:
+          POSTGRES_USER: kaching
+          POSTGRES_PASSWORD: kaching
+          LC_ALL: C.UTF-8
+          LANG: en_US.UTF-8
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    env:
+      RACK_ENV: test
+      DATABASE_URL: localhost
+      DATABASE_USER: kaching
+      DATABASE_PASSWORD: kaching
+      DATABASE_NAME_SHARED: kaching_development
+
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: ["ruby-3.3"]
+        os: [macos-latest, ubuntu-latest]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+
+      - name: Rubocop
+        run: bundle exec rubocop
diff --git a/.rubocop.yml b/.rubocop.yml
index cc4712a..64c298b 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -8,3 +8,21 @@
 # where the inspected file is and continue its way up to the root directory.
 #
 # See https://docs.rubocop.org/rubocop/configuration
+
+AllCops:
+  NewCops: enable
+  Exclude:
+    - "bin/**/*"
+    - "vendor/bundle/**/*"
+
+Metrics/BlockLength:
+  Exclude:
+    - "app.rb"
+
+Metrics/ClassLength:
+  Exclude:
+    - "app.rb"
+
+Lint/UselessAssignment:
+  Exclude:
+    - "app.rb"
diff --git a/.tool-versions b/.tool-versions
index f2a971a..3294aed 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-ruby 3.2.2
+ruby 3.3.0
diff --git a/Dockerfile b/Dockerfile
index 66e5b8a..44c5cbe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.2-slim-bullseye
+FROM ruby:3.3-slim-bullseye
 
 RUN apt-get update && apt-get install -y \
     build-essential \
diff --git a/Gemfile.lock b/Gemfile.lock
index 382cb9c..b41775c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,9 +1,9 @@
 GIT
   remote: https://github.com/simonneutert/ka-ching-client.git
-  revision: 6dc993a5416b51d50fe241f932c3f172124bd9e7
+  revision: 40fef1c1d5b2d59c303b7cf8e829a2bf403b9b08
   branch: main
   specs:
-    ka-ching-client (0.4.4)
+    ka-ching-client (0.5.2)
       faraday (>= 2.7.10, < 2.9.0)
       httpx (>= 0.22.4, < 1.3.0)
 
@@ -15,7 +15,7 @@ GEM
     base64 (0.2.0)
     benchmark (0.3.0)
     coderay (1.1.3)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     diff-lcs (1.5.0)
     e2mmap (0.1.0)
     faraday (2.8.1)
@@ -24,9 +24,9 @@ GEM
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
     htmlbeautifier (1.4.2)
-    http-2-next (1.0.2)
-    httpx (1.2.0)
-      http-2-next (>= 1.0.1)
+    http-2-next (1.0.3)
+    httpx (1.2.1)
+      http-2-next (>= 1.0.3)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.6)
@@ -40,15 +40,15 @@ GEM
     mini_portile2 (2.8.5)
     money (6.16.0)
       i18n (>= 0.6.4, <= 2)
-    nokogiri (1.15.5)
+    nokogiri (1.16.0)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.15.5-arm64-darwin)
+    nokogiri (1.16.0-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.15.5-x86_64-linux)
+    nokogiri (1.16.0-x86_64-linux)
       racc (~> 1.4)
     parallel (1.24.0)
-    parser (3.3.0.3)
+    parser (3.3.0.4)
       ast (~> 2.4.1)
       racc
     pry (0.14.2)
@@ -128,4 +128,4 @@ DEPENDENCIES
   solargraph (~> 0.50.0)
 
 BUNDLED WITH
-   2.4.20
+   2.5.5
diff --git a/app.rb b/app.rb
index c08bd23..e02a849 100644
--- a/app.rb
+++ b/app.rb
@@ -220,7 +220,7 @@ class App < Roda
         year = r.params.fetch('year', Time.now.year).to_i
         page = r.params.fetch('page', 1).to_i
         per_page = r.params.fetch('per_page', 10).to_i
-        
+
         @auditlogs = client.v1.audit_logs.of_year(tenant_account_id:, year:)
         @auditlogs.map! do |auditlog|
           auditlog['realized_at'] = Time.parse(auditlog['environment_snapshot']['realized_at'])