diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 074b4c4..1422d59 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -12,14 +12,14 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Ruby 3.1
-      uses: actions/setup-ruby@v1
+    - uses: actions/checkout@v4
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 3.1.x
-    - name: Build and test with Rake
-      run: |
-        gem install bundler
-        bundle install --jobs 4 --retry 3
-        bundle exec rubocop
-        bundle exec rake
+        ruby-version: '3.1'
+        bundler: latest
+        bundler-cache: true
+    - name: Lint
+      run: bundle exec rubocop
+    - name: Test
+      run: bundle exec rake
diff --git a/Gemfile.lock b/Gemfile.lock
index 9717cbb..b71d2f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    xpm_ruby (0.4.0)
+    xpm_ruby (0.4.1)
       activesupport
       builder
       dry-types
@@ -125,6 +125,3 @@ DEPENDENCIES
   rubocop-rspec
   vcr
   xpm_ruby!
-
-BUNDLED WITH
-   2.1.4
diff --git a/lib/xpm_ruby/connection.rb b/lib/xpm_ruby/connection.rb
index 0691ab6..6af8700 100644
--- a/lib/xpm_ruby/connection.rb
+++ b/lib/xpm_ruby/connection.rb
@@ -71,7 +71,7 @@ def xpm_url
     def handle_response(response)
       case response.status
       when 401
-        detail = JSON.parse(response.body)["Detail"]
+        detail = error_detail(response)
 
         case detail
         when /TokenExpired: token expired/
@@ -80,15 +80,14 @@ def handle_response(response)
           raise Unauthorized.new(detail)
         end
       when 403 # this can happen with a bad xero_tenant_id
-        detail = JSON.parse(response.body)["Detail"]
+        detail = error_detail(response)
         raise AuthenticationUnsuccessful.new(detail) if detail == "AuthenticationUnsuccessful"
 
         raise Forbidden.new(detail)
       when 500
         raise InternalServerError.new(response.reason_phrase)
       when 503
-        detail = JSON.parse(response.body)["Detail"]
-        raise NotAvailable.new(detail)
+        raise NotAvailable.new(error_detail(response))
       when 429 # rate limit exceeded
         details = response.headers.slice(
           "retry-after",
@@ -111,5 +110,9 @@ def handle_response(response)
         raise UnknownError.new(response.status)
       end
     end
+
+    def error_detail(response)
+      JSON.parse(response.body)["Detail"]
+    end
   end
 end