diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c2036af..5467194 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['2.7', '3.0', '3.1', 'head']
+        ruby: ['3.3', '3.4', 'head']
     steps:
     - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - name: Set up Ruby
diff --git a/lib/tarpon/entity/offerings.rb b/lib/tarpon/entity/offerings.rb
index a8c26dd..ff93886 100644
--- a/lib/tarpon/entity/offerings.rb
+++ b/lib/tarpon/entity/offerings.rb
@@ -11,8 +11,8 @@ class Offerings
 
       def initialize(current_offering_id:, offerings:, **)
         @current_offering_id = current_offering_id
-        @offerings = offerings.each_with_object({}) do |offering, map|
-          map[offering[:identifier].to_sym] = Tarpon::Entity::Offering.new(**offering)
+        @offerings = offerings.to_h do |offering|
+          [offering[:identifier].to_sym, Tarpon::Entity::Offering.new(**offering)]
         end
       end