diff --git a/src/main/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidder.java b/src/main/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidder.java
index ce7e28fa8ec..b40a877242a 100644
--- a/src/main/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidder.java
+++ b/src/main/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidder.java
@@ -215,6 +215,7 @@ private static BidType getBidType(Bid bid, List<BidderError> errors) {
         return switch (bid.getMtype()) {
             case 1 -> BidType.banner;
             case 2 -> BidType.video;
+            case 3 -> BidType.audio;
             case 4 -> BidType.xNative;
             case null, default -> {
                 errors.add(BidderError.badServerResponse(
diff --git a/src/main/resources/bidder-config/thetradedesk.yaml b/src/main/resources/bidder-config/thetradedesk.yaml
index 628e3b149fa..421cf00a91f 100644
--- a/src/main/resources/bidder-config/thetradedesk.yaml
+++ b/src/main/resources/bidder-config/thetradedesk.yaml
@@ -1,6 +1,7 @@
 adapters:
   thetradedesk:
     endpoint: https://direct.adsrvr.org/bid/bidder/{SupplyId}
+    ortb-version: "2.6"
     aliases:
       ttd:
         meta-info:
@@ -10,10 +11,12 @@ adapters:
       app-media-types:
         - banner
         - video
+        - audio
         - native
       site-media-types:
         - banner
         - video
+        - audio
         - native
       supported-vendors:
       vendor-id: 21
diff --git a/src/test/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidderTest.java b/src/test/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidderTest.java
index 46db30df08c..06e6c25817a 100644
--- a/src/test/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidderTest.java
+++ b/src/test/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidderTest.java
@@ -35,6 +35,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
 import static org.assertj.core.api.Assertions.tuple;
+import static org.prebid.server.proto.openrtb.ext.response.BidType.audio;
 import static org.prebid.server.proto.openrtb.ext.response.BidType.banner;
 import static org.prebid.server.proto.openrtb.ext.response.BidType.video;
 import static org.prebid.server.proto.openrtb.ext.response.BidType.xNative;
@@ -429,6 +430,21 @@ public void makeBidsShouldReturnxNativeBid() throws JsonProcessingException {
                 .containsExactly(BidderBid.of(Bid.builder().impid("123").mtype(4).build(), xNative, "USD"));
     }
 
+    @Test
+    public void makeBidsShouldReturnAudioBid() throws JsonProcessingException {
+        // given
+        final BidderCall<BidRequest> httpCall = givenHttpCall(
+                givenBidResponse(bidBuilder -> bidBuilder.mtype(3).impid("123")));
+
+        // when
+        final Result<List<BidderBid>> result = target.makeBids(httpCall, null);
+
+        // then
+        assertThat(result.getErrors()).isEmpty();
+        assertThat(result.getValue())
+                .containsExactly(BidderBid.of(Bid.builder().impid("123").mtype(3).build(), audio, "USD"));
+    }
+
     @Test
     public void makeBidsShouldReturnBannerBid() throws JsonProcessingException {
         // given
@@ -483,7 +499,7 @@ public void makeBidsShouldReturnValidBidsAndErrorsForMixedMediaTypes() throws Js
                         .seatbid(singletonList(SeatBid.builder()
                                 .bid(Arrays.asList(
                                         Bid.builder().mtype(1).impid("valid1").build(),  // valid banner
-                                        Bid.builder().mtype(3).impid("invalid1").build(), // invalid mtype
+                                        Bid.builder().mtype(5).impid("invalid1").build(), // invalid mtype
                                         Bid.builder().mtype(2).impid("valid2").build(),  // valid video
                                         Bid.builder().mtype(null).impid("invalid2").build() // null mtype
                                 ))
diff --git a/src/test/resources/org/prebid/server/it/openrtb2/thetradedesk/test-auction-thetradedesk-request.json b/src/test/resources/org/prebid/server/it/openrtb2/thetradedesk/test-auction-thetradedesk-request.json
index e3fba9cb248..8f944980ed1 100644
--- a/src/test/resources/org/prebid/server/it/openrtb2/thetradedesk/test-auction-thetradedesk-request.json
+++ b/src/test/resources/org/prebid/server/it/openrtb2/thetradedesk/test-auction-thetradedesk-request.json
@@ -17,8 +17,6 @@
   ],
   "tmax": 5000,
   "regs": {
-    "ext": {
-      "gdpr": 0
-    }
+    "gdpr": 0
   }
 }
diff --git a/src/test/resources/org/prebid/server/it/openrtb2/thetradedesk/test-thetradedesk-bid-request.json b/src/test/resources/org/prebid/server/it/openrtb2/thetradedesk/test-thetradedesk-bid-request.json
index 29e68d04d41..1fe5f17aa02 100644
--- a/src/test/resources/org/prebid/server/it/openrtb2/thetradedesk/test-thetradedesk-bid-request.json
+++ b/src/test/resources/org/prebid/server/it/openrtb2/thetradedesk/test-thetradedesk-bid-request.json
@@ -41,9 +41,7 @@
     "USD"
   ],
   "regs": {
-    "ext": {
-      "gdpr": 0
-    }
+    "gdpr": 0
   },
   "ext": {
     "prebid": {