diff --git a/.github/workflows/brakeman-analysis.yml b/.github/workflows/brakeman-analysis.yml
index ac51638..26ad7b1 100644
--- a/.github/workflows/brakeman-analysis.yml
+++ b/.github/workflows/brakeman-analysis.yml
@@ -6,39 +6,39 @@ name: Brakeman Scan
 # This section configures the trigger for the workflow. Feel free to customize depending on your convention
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
   brakeman-scan:
     name: Brakeman Scan
     runs-on: ubuntu-latest
     steps:
-    # Checkout the repository to the GitHub Actions runner
-    - name: Checkout
-      uses: actions/checkout@v2
+      # Checkout the repository to the GitHub Actions runner
+      - name: Checkout
+        uses: actions/checkout@v2
 
-    # Customize the ruby version depending on your needs
-    - name: Setup Ruby
-      uses: actions/setup-ruby@v1
-      with:
-        ruby-version: '2.7'
+      # Customize the ruby version depending on your needs
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.0"
 
-    - name: Setup Brakeman
-      env:
-        BRAKEMAN_VERSION: '4.10' # SARIF support is provided in Brakeman version 4.10+
-      run: |
-        gem install brakeman --version $BRAKEMAN_VERSION
+      - name: Setup Brakeman
+        env:
+          BRAKEMAN_VERSION: "5.4" # SARIF support is provided in Brakeman version 4.10+
+        run: |
+          gem install brakeman --version $BRAKEMAN_VERSION
 
-    # Execute Brakeman CLI and generate a SARIF output with the security issues identified during the analysis
-    - name: Scan
-      continue-on-error: true
-      run: |
-        brakeman -f sarif -o output.sarif.json .
+      # Execute Brakeman CLI and generate a SARIF output with the security issues identified during the analysis
+      - name: Scan
+        continue-on-error: true
+        run: |
+          brakeman -f sarif -o output.sarif.json .
 
-    # Upload the SARIF file generated in the previous step
-    - name: Upload SARIF
-      uses: github/codeql-action/upload-sarif@v1
-      with:
-        sarif_file: output.sarif.json
+      # Upload the SARIF file generated in the previous step
+      - name: Upload SARIF
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: output.sarif.json
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7e6c588..ac8d48e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,15 +11,21 @@ jobs:
       fail-fast: false
       matrix:
         alchemy_branch:
+          - 6.0-stable
           - main
+        ruby:
+          - "2.7"
+          - "3.0"
+          - "3.1"
     env:
       ALCHEMY_BRANCH: ${{ matrix.alchemy_branch }}
     steps:
       - uses: actions/checkout@v1
-      - name: Set up Ruby 2.6
-        uses: actions/setup-ruby@v1
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.6.x
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
       - name: Restore apt cache
         id: apt-cache
         uses: actions/cache@v1
@@ -32,21 +38,6 @@ jobs:
           sudo apt-get update -qq
           sudo apt-get install -qq --fix-missing libsqlite3-dev -o dir::cache::archives="/home/runner/apt/cache"
           sudo chown -R runner /home/runner/apt/cache
-      - name: Install bundler
-        run: |
-          gem install bundler
-      - name: Restore Ruby Gems cache
-        id: cache
-        uses: actions/cache@v1
-        with:
-          path: vendor/bundle
-          key: bundle-${{ hashFiles('**/Gemfile.lock') }}-${{ matrix.alchemy_branch }}
-          restore-keys: |
-            bundle-
-      - name: Install bundle
-        timeout-minutes: 10
-        run: |
-          bundle install --jobs 4 --retry 3 --path vendor/bundle
       - name: Build and test with RSpec
         env:
           RAILS_ENV: test
diff --git a/app/serializers/alchemy/json_api/ingredient_headline_serializer.rb b/app/serializers/alchemy/json_api/ingredient_headline_serializer.rb
index cd33a77..ec7b153 100644
--- a/app/serializers/alchemy/json_api/ingredient_headline_serializer.rb
+++ b/app/serializers/alchemy/json_api/ingredient_headline_serializer.rb
@@ -8,6 +8,11 @@ class IngredientHeadlineSerializer < BaseSerializer
       include IngredientSerializer
 
       attributes :level, :size
+
+      # Introduced in Alchemy 6.1
+      if Alchemy::Ingredients::Headline.stored_attributes[:data].include?(:dom_id)
+        attribute :dom_id
+      end
     end
   end
 end
diff --git a/app/serializers/alchemy/json_api/ingredient_text_serializer.rb b/app/serializers/alchemy/json_api/ingredient_text_serializer.rb
index 0bd068c..054c04d 100644
--- a/app/serializers/alchemy/json_api/ingredient_text_serializer.rb
+++ b/app/serializers/alchemy/json_api/ingredient_text_serializer.rb
@@ -17,6 +17,11 @@ class IngredientTextSerializer < BaseSerializer
       # maintain compatibility with EssenceText
       attribute :body, &:value
       attribute :link_url, &:link
+
+      # Introduced in Alchemy 6.1
+      if Alchemy::Ingredients::Text.stored_attributes[:data].include?(:dom_id)
+        attribute :dom_id
+      end
     end
   end
 end
diff --git a/spec/serializers/alchemy/json_api/ingredient_file_serializer_spec.rb b/spec/serializers/alchemy/json_api/ingredient_file_serializer_spec.rb
index 268aff7..7eea312 100644
--- a/spec/serializers/alchemy/json_api/ingredient_file_serializer_spec.rb
+++ b/spec/serializers/alchemy/json_api/ingredient_file_serializer_spec.rb
@@ -18,7 +18,7 @@
       end
 
       it "has the right keys and values" do
-        expect(subject[:value]).to eq("/attachment/#{attachment.id}/show")
+        expect(subject[:value]).to eq("/attachment/#{attachment.id}/show.png")
         expect(subject[:link_title]).to eq("File")
         expect(subject[:attachment_name]).to eq("image")
         expect(subject[:attachment_file_name]).to eq("image.png")
diff --git a/spec/serializers/alchemy/json_api/ingredient_headline_serializer_spec.rb b/spec/serializers/alchemy/json_api/ingredient_headline_serializer_spec.rb
index 4cfa66b..189dc4f 100644
--- a/spec/serializers/alchemy/json_api/ingredient_headline_serializer_spec.rb
+++ b/spec/serializers/alchemy/json_api/ingredient_headline_serializer_spec.rb
@@ -30,4 +30,14 @@
       )
     )
   end
+
+  context "with dom_id", if: Alchemy::Ingredients::Headline.stored_attributes[:data].include?(:dom_id) do
+    before do
+      ingredient.dom_id = "hello-you-world"
+    end
+
+    it "is included in the response" do
+      expect(subject[:dom_id]).to eq "hello-you-world"
+    end
+  end
 end
diff --git a/spec/serializers/alchemy/json_api/ingredient_text_serializer_spec.rb b/spec/serializers/alchemy/json_api/ingredient_text_serializer_spec.rb
index b69d786..9233f22 100644
--- a/spec/serializers/alchemy/json_api/ingredient_text_serializer_spec.rb
+++ b/spec/serializers/alchemy/json_api/ingredient_text_serializer_spec.rb
@@ -37,5 +37,15 @@
         expect(subject[:link_url]).to eq "https://alchemy-cms.com"
       end
     end
+
+    context "with dom_id", if: Alchemy::Ingredients::Text.stored_attributes[:data].include?(:dom_id) do
+      before do
+        ingredient.dom_id = "welcome"
+      end
+
+      it "is included in the response" do
+        expect(subject[:dom_id]).to eq "welcome"
+      end
+    end
   end
 end