diff --git a/modules/seedtagBidAdapter.js b/modules/seedtagBidAdapter.js
index cb646fe10c3..bae27d41028 100644
--- a/modules/seedtagBidAdapter.js
+++ b/modules/seedtagBidAdapter.js
@@ -13,6 +13,11 @@ const ALLOWED_PLACEMENTS = {
   banner: true,
   video: true
 }
+
+// Global Vendor List Id
+// https://iabeurope.eu/vendor-list-tcf-v2-0/
+const GVLID = 157;
+
 const mediaTypesMap = {
   [BANNER]: 'display',
   [VIDEO]: 'video'
@@ -158,6 +163,7 @@ export function getTimeoutUrl (data) {
 
 export const spec = {
   code: BIDDER_CODE,
+  gvlid: GVLID,
   aliases: [SEEDTAG_ALIAS],
   supportedMediaTypes: [BANNER, VIDEO],
   /**
diff --git a/test/spec/modules/seedtagBidAdapter_spec.js b/test/spec/modules/seedtagBidAdapter_spec.js
index 3aa378379dd..159645ff6d6 100644
--- a/test/spec/modules/seedtagBidAdapter_spec.js
+++ b/test/spec/modules/seedtagBidAdapter_spec.js
@@ -274,6 +274,9 @@ describe('Seedtag Adapter', function() {
           expect(data.ga).to.equal(true)
           expect(data.cd).to.equal('consentString')
         })
+        it('should expose gvlid', function() {
+          expect(spec.gvlid).to.equal(157)
+        })
       })
     })