diff --git a/lib/block_kit/layout/rich_text/list.rb b/lib/block_kit/layout/rich_text/list.rb
index 424bdd8..54ce368 100644
--- a/lib/block_kit/layout/rich_text/list.rb
+++ b/lib/block_kit/layout/rich_text/list.rb
@@ -11,7 +11,7 @@ class RichText::List < BlockKit::Base
       ].freeze
 
       attribute :style, :string
-      attribute :elements, Types::Array.of(RichText::Section)
+      attribute :elements, Types::Array.of(RichText::Section), default: []
       attribute :indent, :integer
       attribute :offset, :integer
       attribute :border, :integer
diff --git a/spec/block_kit/layout/rich_text/list_spec.rb b/spec/block_kit/layout/rich_text/list_spec.rb
index c81b674..ed6ff88 100644
--- a/spec/block_kit/layout/rich_text/list_spec.rb
+++ b/spec/block_kit/layout/rich_text/list_spec.rb
@@ -42,6 +42,18 @@
         ]
       })
     end
+
+    context "when elements are not specified" do
+      let(:attributes) { {style: :bullet} }
+
+      it "returns an empty elements array" do
+        expect(block.as_json).to eq({
+          type: described_class.type.to_s,
+          style: "bullet",
+          elements: []
+        })
+      end
+    end
   end
 
   context "attributes" do