diff --git a/adapters/rubicon/rubicon.go b/adapters/rubicon/rubicon.go
index a1a4083bfc1..5eddc83220c 100644
--- a/adapters/rubicon/rubicon.go
+++ b/adapters/rubicon/rubicon.go
@@ -51,6 +51,7 @@ type rubiconExtImpBidder struct {
 	Bidder  openrtb_ext.ExtImpRubicon `json:"bidder"`
 	Gpid    string                    `json:"gpid"`
 	Skadn   json.RawMessage           `json:"skadn,omitempty"`
+	Tid     string                    `json:"tid"`
 	Data    json.RawMessage           `json:"data"`
 	Context rubiconContext            `json:"context"`
 }
@@ -84,6 +85,7 @@ type rubiconImpExt struct {
 	RP    rubiconImpExtRP `json:"rp,omitempty"`
 	GPID  string          `json:"gpid,omitempty"`
 	Skadn json.RawMessage `json:"skadn,omitempty"`
+	Tid   string          `json:"tid,omitempty"`
 }
 
 type rubiconImpExtRP struct {
@@ -273,6 +275,7 @@ func (a *RubiconAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *ada
 			},
 			GPID:  bidderExt.Gpid,
 			Skadn: bidderExt.Skadn,
+			Tid:   bidderExt.Tid,
 		}
 
 		imp.Ext, err = json.Marshal(&impExt)
diff --git a/adapters/rubicon/rubicontest/exemplary/flexible-schema.json b/adapters/rubicon/rubicontest/exemplary/flexible-schema.json
index b9bedd3aa47..54399b0adf0 100644
--- a/adapters/rubicon/rubicontest/exemplary/flexible-schema.json
+++ b/adapters/rubicon/rubicontest/exemplary/flexible-schema.json
@@ -164,7 +164,8 @@
             "siteId": "113932",
             "zoneId": "535510"
           },
-          "gpid": "gpid"
+          "gpid": "gpid",
+          "tid": "tid"
         }
       }
     ]
@@ -351,7 +352,8 @@
                   },
                   "zone_id": 535510
                 },
-                "gpid": "gpid"
+                "gpid": "gpid",
+                "tid": "tid"
               }
             }
           ]