diff --git a/modules/pubmaticBidAdapter.js b/modules/pubmaticBidAdapter.js
index 7ff86c5c46f..a0e117a2e1b 100644
--- a/modules/pubmaticBidAdapter.js
+++ b/modules/pubmaticBidAdapter.js
@@ -673,7 +673,9 @@ function _createImpressionObject(bid, bidderRequest) {
     ext: {
       pmZoneId: _parseSlotParam('pmzoneid', bid.params.pmzoneid)
     },
-    bidfloorcur: bid.params.currency ? _parseSlotParam('currency', bid.params.currency) : DEFAULT_CURRENCY
+    bidfloorcur: bid.params.currency ? _parseSlotParam('currency', bid.params.currency) : DEFAULT_CURRENCY,
+    displaymanager: 'Prebid.js',
+    displaymanagerver: '$prebid.version$' // prebid version
   };
 
   _addPMPDealsInImpression(impObj, bid);
diff --git a/test/spec/modules/pubmaticBidAdapter_spec.js b/test/spec/modules/pubmaticBidAdapter_spec.js
index ebda4b1767d..e47d301fae4 100644
--- a/test/spec/modules/pubmaticBidAdapter_spec.js
+++ b/test/spec/modules/pubmaticBidAdapter_spec.js
@@ -1187,6 +1187,8 @@ describe('PubMatic adapter', function () {
         expect(data.imp[0].bidfloorcur).to.equal(bidRequests[0].params.currency);
         expect(data.source.ext.schain).to.deep.equal(bidRequests[0].schain);
         expect(data.ext.epoch).to.exist;
+        expect(data.imp[0].displaymanager).to.equal('Prebid.js');
+        expect(data.imp[0].displaymanagerver).to.equal('$prebid.version$');
   		});
 
       it('Set tmax from global config if not set by requestBids method', function() {