diff --git a/modules/colossussspBidAdapter.js b/modules/colossussspBidAdapter.js
index 00d90f62a2c..b1ee8875422 100644
--- a/modules/colossussspBidAdapter.js
+++ b/modules/colossussspBidAdapter.js
@@ -116,6 +116,15 @@ export const spec = {
         request.gdpr_consent = bidderRequest.gdprConsent.consentString || 'ALL';
         request.gdpr_require = bidderRequest.gdprConsent.gdprApplies ? 1 : 0;
       }
+
+      // Add GPP consent
+      if (bidderRequest.gppConsent) {
+        request.gpp = bidderRequest.gppConsent.gppString;
+        request.gpp_sid = bidderRequest.gppConsent.applicableSections;
+      } else if (bidderRequest.ortb2?.regs?.gpp) {
+        request.gpp = bidderRequest.ortb2.regs.gpp;
+        request.gpp_sid = bidderRequest.ortb2.regs.gpp_sid;
+      }
     }
 
     for (let i = 0; i < validBidRequests.length; i++) {
diff --git a/test/spec/modules/colossussspBidAdapter_spec.js b/test/spec/modules/colossussspBidAdapter_spec.js
index 0d16f9897fa..b8c872d879d 100644
--- a/test/spec/modules/colossussspBidAdapter_spec.js
+++ b/test/spec/modules/colossussspBidAdapter_spec.js
@@ -283,6 +283,35 @@ describe('ColossussspAdapter', function () {
     });
   });
 
+  describe('gpp consent', function () {
+    it('bidderRequest.gppConsent', () => {
+      bidderRequest.gppConsent = {
+        gppString: 'abc123',
+        applicableSections: [8]
+      };
+
+      let serverRequest = spec.buildRequests([bid], bidderRequest);
+      let data = serverRequest.data;
+      expect(data).to.be.an('object');
+      expect(data).to.have.property('gpp');
+      expect(data).to.have.property('gpp_sid');
+
+      delete bidderRequest.gppConsent;
+    })
+
+    it('bidderRequest.ortb2.regs.gpp', () => {
+      bidderRequest.ortb2.regs = bidderRequest.ortb2.regs || {};
+      bidderRequest.ortb2.regs.gpp = 'abc123';
+      bidderRequest.ortb2.regs.gpp_sid = [8];
+
+      let serverRequest = spec.buildRequests([bid], bidderRequest);
+      let data = serverRequest.data;
+      expect(data).to.be.an('object');
+      expect(data).to.have.property('gpp');
+      expect(data).to.have.property('gpp_sid');
+    })
+  });
+
   describe('interpretResponse', function () {
     let resObject = {
       body: [{