diff --git a/modules/kargoBidAdapter.js b/modules/kargoBidAdapter.js
index 02e64e42f00..9d8c7bc06a1 100644
--- a/modules/kargoBidAdapter.js
+++ b/modules/kargoBidAdapter.js
@@ -24,6 +24,7 @@ const CURRENCY = Object.freeze({
 });
 
 const REQUEST_KEYS = Object.freeze({
+  USER_DATA: 'ortb2.user.data',
   SOCIAL_CANVAS: 'params.socialCanvas',
   SUA: 'ortb2.device.sua',
   TDID_ADAPTER: 'userId.tdid',
@@ -103,15 +104,20 @@ function buildRequests(validBidRequests, bidderRequest) {
     }
   }
 
+  // Add schain
   if (firstBidRequest.schain && firstBidRequest.schain.nodes) {
     krakenParams.schain = firstBidRequest.schain
   }
 
+  // Add user data object if available
+  krakenParams.user.data = deepAccess(firstBidRequest, REQUEST_KEYS.USER_DATA) || [];
+
   const reqCount = getRequestCount()
   if (reqCount != null) {
     krakenParams.requestCount = reqCount;
   }
 
+  // Add currency if not USD
   if (currency != null && currency != CURRENCY.US_DOLLAR) {
     krakenParams.cur = currency;
   }
diff --git a/test/spec/modules/kargoBidAdapter_spec.js b/test/spec/modules/kargoBidAdapter_spec.js
index 7a9d89eb3a1..f43c3b11aac 100644
--- a/test/spec/modules/kargoBidAdapter_spec.js
+++ b/test/spec/modules/kargoBidAdapter_spec.js
@@ -147,6 +147,22 @@ describe('kargo adapter tests', function () {
               id: '1234',
               name: 'SiteName',
               cat: ['IAB1', 'IAB2', 'IAB3']
+            },
+            user: {
+              data: [
+                {
+                  name: 'prebid.org',
+                  ext: {
+                    segtax: 600,
+                    segclass: 'v1',
+                  },
+                  segment: [
+                    {
+                      id: '133'
+                    },
+                  ]
+                },
+              ]
             }
           },
           ortb2Imp: {
@@ -522,6 +538,20 @@ describe('kargo adapter tests', function () {
                 }
               ]
             }
+          ],
+          data: [
+            {
+              name: 'prebid.org',
+              ext: {
+                segtax: 600,
+                segclass: 'v1',
+              },
+              segment: [
+                {
+                  id: '133'
+                }
+              ]
+            }
           ]
         }
       };