diff --git a/modules/oguryBidAdapter.js b/modules/oguryBidAdapter.js
index 3cf78da4e3a..0dd07a26e2c 100644
--- a/modules/oguryBidAdapter.js
+++ b/modules/oguryBidAdapter.js
@@ -1,7 +1,7 @@
 'use strict';
 
 import {BANNER} from '../src/mediaTypes.js';
-import {getWindowSelf, getWindowTop, isFn, logWarn} from '../src/utils.js';
+import {getWindowSelf, getWindowTop, isFn, logWarn, deepAccess} from '../src/utils.js';
 import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {ajax} from '../src/ajax.js';
 import {getAdUnitSizes} from '../libraries/sizeUtils/sizeUtils.js';
@@ -12,7 +12,7 @@ const DEFAULT_TIMEOUT = 1000;
 const BID_HOST = 'https://mweb-hb.presage.io/api/header-bidding-request';
 const TIMEOUT_MONITORING_HOST = 'https://ms-ads-monitoring-events.presage.io';
 const MS_COOKIE_SYNC_DOMAIN = 'https://ms-cookie-sync.presage.io';
-const ADAPTER_VERSION = '1.6.0';
+const ADAPTER_VERSION = '1.6.1';
 
 function getClientWidth() {
   const documentElementClientWidth = window.top.document.documentElement.clientWidth
@@ -129,6 +129,8 @@ function buildRequests(validBidRequests, bidderRequest) {
         openRtbBidRequestBanner.user.ext.eids = bidRequest.userIdAsEids
       }
 
+      const gpid = deepAccess(bidRequest, 'ortb2Imp.ext.gpid');
+
       openRtbBidRequestBanner.imp.push({
         id: bidRequest.bidId,
         tagid: bidRequest.params.adUnitId,
@@ -138,6 +140,7 @@ function buildRequests(validBidRequests, bidderRequest) {
         },
         ext: {
           ...bidRequest.params,
+          ...(gpid && {gpid}),
           timeSpentOnPage: document.timeline && document.timeline.currentTime ? document.timeline.currentTime : 0
         }
       });
diff --git a/test/spec/modules/oguryBidAdapter_spec.js b/test/spec/modules/oguryBidAdapter_spec.js
index ea923a18e57..861c50b1a98 100644
--- a/test/spec/modules/oguryBidAdapter_spec.js
+++ b/test/spec/modules/oguryBidAdapter_spec.js
@@ -13,6 +13,11 @@ describe('OguryBidAdapter', function () {
   bidRequests = [
     {
       adUnitCode: 'adUnitCode',
+      ortb2Imp: {
+        ext: {
+          gpid: 'gpid'
+        }
+      },
       auctionId: 'auctionId',
       bidId: 'bidId',
       bidder: 'ogury',
@@ -394,6 +399,7 @@ describe('OguryBidAdapter', function () {
         },
         ext: {
           ...bidRequests[0].params,
+          gpid: bidRequests[0].ortb2Imp.ext.gpid,
           timeSpentOnPage: stubbedCurrentTime
         }
       }, {
@@ -441,7 +447,7 @@ describe('OguryBidAdapter', function () {
       },
       ext: {
         prebidversion: '$prebid.version$',
-        adapterversion: '1.6.0'
+        adapterversion: '1.6.1'
       },
       device: {
         w: stubbedWidth,
@@ -824,7 +830,47 @@ describe('OguryBidAdapter', function () {
       const request = spec.buildRequests(validBidRequests, bidderRequest);
       expect(request.data).to.deep.equal(expectedRequestWithUnsupportedFloorCurrency);
     });
-  });
+
+    it('should not add gpid if ortb2 undefined', () => {
+      const expectedRequestWithUndefinedGpid = utils.deepClone(expectedRequestObject)
+
+      delete expectedRequestWithUndefinedGpid.imp[0].ext.gpid;
+      delete expectedRequestWithUndefinedGpid.imp[1].ext.gpid;
+
+      const validBidRequests = utils.deepClone(bidRequests);
+      delete validBidRequests[0].ortb2Imp.ext.gpid;
+
+      const request = spec.buildRequests(validBidRequests, bidderRequest);
+      expect(request.data).to.deep.equal(expectedRequestWithUndefinedGpid);
+    });
+
+    it('should not add gpid if gpid undefined', () => {
+      const expectedRequestWithUndefinedGpid = utils.deepClone(expectedRequestObject)
+
+      delete expectedRequestWithUndefinedGpid.imp[0].ext.gpid;
+      delete expectedRequestWithUndefinedGpid.imp[1].ext.gpid;
+
+      const validBidRequests = utils.deepClone(bidRequests);
+      validBidRequests[0] = {
+        ...validBidRequests[0],
+        ortb2Imp: {
+          ext: {}
+        }
+      };
+
+      const request = spec.buildRequests(validBidRequests, bidderRequest);
+      expect(request.data).to.deep.equal(expectedRequestWithUndefinedGpid);
+    });
+
+    it('should send gpid in bid request', function() {
+      const validBidRequests = utils.deepClone(bidRequests)
+
+      const request = spec.buildRequests(validBidRequests, bidderRequest);
+      expect(request.data).to.deep.equal(expectedRequestObject);
+      expect(request.data.imp[0].ext.gpid).to.be.a('string');
+      expect(request.data.imp[1].ext.gpid).to.be.undefined
+    })
+  })
 
   describe('interpretResponse', function () {
     let openRtbBidResponse = {
@@ -891,7 +937,7 @@ describe('OguryBidAdapter', function () {
           advertiserDomains: openRtbBidResponse.body.seatbid[0].bid[0].adomain
         },
         nurl: openRtbBidResponse.body.seatbid[0].bid[0].nurl,
-        adapterVersion: '1.6.0',
+        adapterVersion: '1.6.1',
         prebidVersion: '$prebid.version$'
       }, {
         requestId: openRtbBidResponse.body.seatbid[0].bid[1].impid,
@@ -908,7 +954,7 @@ describe('OguryBidAdapter', function () {
           advertiserDomains: openRtbBidResponse.body.seatbid[0].bid[1].adomain
         },
         nurl: openRtbBidResponse.body.seatbid[0].bid[1].nurl,
-        adapterVersion: '1.6.0',
+        adapterVersion: '1.6.1',
         prebidVersion: '$prebid.version$'
       }]