diff --git a/modules/quantcastBidAdapter.js b/modules/quantcastBidAdapter.js
index f10fd48502f..3639a5a6bb7 100644
--- a/modules/quantcastBidAdapter.js
+++ b/modules/quantcastBidAdapter.js
@@ -41,9 +41,10 @@ export const spec = {
    * `BidRequests`.
    *
    * @param {BidRequest[]} bidRequests A non-empty list of bid requests which should be send to Quantcast server
+   * @param bidderRequest
    * @return ServerRequest information describing the request to the server.
    */
-  buildRequests(bidRequests) {
+  buildRequests(bidRequests, bidderRequest) {
     const bids = bidRequests || [];
 
     const referrer = utils.getTopWindowUrl();
@@ -75,6 +76,8 @@ export const spec = {
         });
       });
 
+      const gdprConsent = bidderRequest ? bidderRequest.gdprConsent : {};
+
       // Request Data Format can be found at https://wiki.corp.qc/display/adinf/QCX
       const requestData = {
         publisherId: bid.params.publisherId,
@@ -94,7 +97,9 @@ export const spec = {
           referrer,
           domain
         },
-        bidId: bid.bidId
+        bidId: bid.bidId,
+        gdprSignal: gdprConsent.gdprApplies ? 1 : 0,
+        gdprConsent: gdprConsent.consentString
       };
 
       const data = JSON.stringify(requestData);
diff --git a/modules/quantcastBidAdapter.md b/modules/quantcastBidAdapter.md
index 20cf25bffbf..efc21466c75 100644
--- a/modules/quantcastBidAdapter.md
+++ b/modules/quantcastBidAdapter.md
@@ -3,7 +3,7 @@
 ```
 Module Name: Quantcast Bidder Adapter
 Module Type: Bidder Adapter
-Maintainer: xli@quantcast.com
+Maintainer: igor.soarez@quantcast.com
 ```
 
 # Description
@@ -28,4 +28,4 @@ const adUnits = [{
     }
   ]
 }];
-```
\ No newline at end of file
+```
diff --git a/test/spec/modules/quantcastBidAdapter_spec.js b/test/spec/modules/quantcastBidAdapter_spec.js
index 6fd5c3abdf9..f6e2924515c 100644
--- a/test/spec/modules/quantcastBidAdapter_spec.js
+++ b/test/spec/modules/quantcastBidAdapter_spec.js
@@ -129,13 +129,22 @@ describe('Quantcast adapter', () => {
           referrer,
           domain
         },
-        bidId: '2f7b179d443f14'
+        bidId: '2f7b179d443f14',
+        gdprSignal: 0
       };
 
       expect(requests[0].data).to.equal(JSON.stringify(expectedBidRequest));
     });
   });
 
+  it('propagates GDPR consent string and signal', () => {
+    const gdprConsent = { gdprApplies: true, consentString: 'consentString' }
+    const requests = qcSpec.buildRequests([bidRequest], { gdprConsent });
+    const parsed = JSON.parse(requests[0].data)
+    expect(parsed.gdprSignal).to.equal(1);
+    expect(parsed.gdprConsent).to.equal(gdprConsent.consentString);
+  });
+
   describe('`interpretResponse`', () => {
     // The sample response is from https://wiki.corp.qc/display/adinf/QCX
     const body = {