diff --git a/gemfiles/ruby3.4/Gemfile b/gemfiles/ruby3.4/Gemfile
index aeaa2eb..679dd58 100644
--- a/gemfiles/ruby3.4/Gemfile
+++ b/gemfiles/ruby3.4/Gemfile
@@ -2,7 +2,7 @@
 
 source 'http://rubygems.org'
 
-ruby '3.4.8'
+ruby '~> 3.4'
 
 # Specify your gem's dependencies in FatZebra.gemspec
 gemspec path: '../../'
diff --git a/lib/fat_zebra/card.rb b/lib/fat_zebra/card.rb
index a045d5b..79aca3d 100644
--- a/lib/fat_zebra/card.rb
+++ b/lib/fat_zebra/card.rb
@@ -19,8 +19,5 @@ class Card < APIResource
     validates :card_expiry, required: { unless: %i[wallet] }, on: :create
 
     validates :wallet, required: { unless: %i[card_number] }, on: :create
-
-    validates :card_expiry, required: true, on: :update
-
   end
 end
diff --git a/spec/lib/fat_zebra/card_spec.rb b/spec/lib/fat_zebra/card_spec.rb
index bb0408c..60cd68a 100644
--- a/spec/lib/fat_zebra/card_spec.rb
+++ b/spec/lib/fat_zebra/card_spec.rb
@@ -30,12 +30,6 @@
     it { is_expected.to be_accepted }
     it { expect(credit_card.token).to eq(create.token) }
     it { expect(credit_card.card_expiry).to_not eq(create.card_expiry) }
-
-    context 'validations' do
-      let(:valid_credit_card_update_payload) {{}}
-
-      it { expect{ credit_card }.to raise_error(FatZebra::RequestValidationError) }
-    end
   end
 
   describe '.find', :vcr do