diff --git a/lib/lexisnexis/date_formatter.rb b/lib/lexisnexis/date_formatter.rb
index 3f76701..47ce8d2 100644
--- a/lib/lexisnexis/date_formatter.rb
+++ b/lib/lexisnexis/date_formatter.rb
@@ -14,6 +14,12 @@ def formatted_date
       }
     end
 
+    def formatted_year_only
+      {
+        Year: date.year.to_s,
+      }
+    end
+
     def yyyymmdd
       date.strftime('%Y%m%d')
     end
diff --git a/lib/lexisnexis/instant_verify/proofer.rb b/lib/lexisnexis/instant_verify/proofer.rb
index 85c255f..88addc6 100644
--- a/lib/lexisnexis/instant_verify/proofer.rb
+++ b/lib/lexisnexis/instant_verify/proofer.rb
@@ -14,7 +14,7 @@ class Proofer < LexisNexis::Proofer
                           :state,
                           :zipcode
 
-      optional_attributes :address2, :uuid_prefix
+      optional_attributes :address2, :uuid_prefix, :dob_year_only
 
       stage :resolution
 
diff --git a/lib/lexisnexis/instant_verify/verification_request.rb b/lib/lexisnexis/instant_verify/verification_request.rb
index 9433425..dda3b84 100644
--- a/lib/lexisnexis/instant_verify/verification_request.rb
+++ b/lib/lexisnexis/instant_verify/verification_request.rb
@@ -25,7 +25,7 @@ def build_request_body # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
               Number: attributes[:ssn].gsub(/\D/, ''),
               Type: 'ssn9',
             },
-            DateOfBirth: DateFormatter.new(attributes[:dob]).formatted_date,
+            DateOfBirth: date_of_birth,
             Addresses: [formatted_address],
           },
         }.to_json
@@ -46,6 +46,15 @@ def formatted_address
           Context: 'primary',
         }
       end
+
+      def date_of_birth
+        formatter = DateFormatter.new(attributes[:dob])
+        if attributes[:dob_year_only]
+          formatter.formatted_year_only
+        else
+          formatter.formatted_date
+        end
+      end
     end
   end
 end
diff --git a/lib/lexisnexis/version.rb b/lib/lexisnexis/version.rb
index 714c8f8..dc67a5e 100644
--- a/lib/lexisnexis/version.rb
+++ b/lib/lexisnexis/version.rb
@@ -1,3 +1,3 @@
 module LexisNexis
-  VERSION = '2.4.2'.freeze
+  VERSION = '2.5.0'.freeze
 end
diff --git a/spec/lib/date_formatter_spec.rb b/spec/lib/date_formatter_spec.rb
index 798cc5b..f623fc4 100644
--- a/spec/lib/date_formatter_spec.rb
+++ b/spec/lib/date_formatter_spec.rb
@@ -29,6 +29,14 @@
     end
   end
 
+  describe '#formatted_year_only' do
+    let(:date_string) { '04/15/2020' }
+
+    it 'is a hash' do
+      expect(date_formatter.formatted_year_only).to eq(Year: '2020')
+    end
+  end
+
   describe '#yyyymmdd' do
     let(:date_string) { '01/31/2020' }
 
diff --git a/spec/lib/instant_verify/proofer_spec.rb b/spec/lib/instant_verify/proofer_spec.rb
index bad0d37..2ca7912 100644
--- a/spec/lib/instant_verify/proofer_spec.rb
+++ b/spec/lib/instant_verify/proofer_spec.rb
@@ -15,9 +15,23 @@
     }
   end
   let(:verification_request) { LexisNexis::InstantVerify::VerificationRequest.new(applicant) }
+  subject(:proofer) { described_class.new }
 
   it_behaves_like 'a proofer'
 
+  describe 'proofing birth year only' do
+    let(:applicant) { super().merge(dob_year_only: true) }
+
+    it 'does not send day or month in the birthday field' do
+      stub_request(:post, verification_request.url).with do |request|
+        body = JSON.parse(request.body, symbolize_names: true)
+        expect(body.dig(:Person, :DateOfBirth)).to eq(Year: "1980")
+      end.to_return(body: Fixtures.instant_verify_success_response_json, status: 200)
+
+      subject.proof(applicant)
+    end
+  end
+
   describe '#send' do
     context 'when the request times out' do
       it 'raises a timeout error' do
diff --git a/spec/lib/instant_verify/verification_request_spec.rb b/spec/lib/instant_verify/verification_request_spec.rb
index b46694e..b1bda21 100644
--- a/spec/lib/instant_verify/verification_request_spec.rb
+++ b/spec/lib/instant_verify/verification_request_spec.rb
@@ -49,6 +49,17 @@
         expect(parsed_body[:Settings][:Reference]).to eq(attributes[:uuid])
       end
     end
+
+    context 'when dob_year_only is true' do
+      let(:attributes) do
+        super().merge(dob_year_only: true)
+      end
+
+      it 'does not send the birth month or day' do
+        date_of_birth = JSON.parse(subject.body, symbolize_names: true).dig(:Person, :DateOfBirth)
+        expect(date_of_birth).to_not include(:Month, :Day)
+      end
+    end
   end
 
   describe '#url' do