updated-membership-link (prebid#1964)

Author: bretg

partners/partners.md

@@ -32,7 +32,7 @@ Companies join Prebid.org because they want to take an active role in supporting
 ## How To Join
 
 1. Download and review the [Prebid.org Bylaws](https://files.prebid.org/docs/Prebid_org_bylaws_jun_2019.pdf).  
-2. Complete the [Prebid.org Membership Agreement](https://na3.docusign.net/Member/PowerFormSigning.aspx?PowerFormId=2208cbf4-d455-4c6b-ba4f-f00e3e0b4cda&env=na3-eu1&acct=2160069d-b42e-4c0a-9528-3a58d1c58bf9&v=2).
+2. Complete the [Prebid.org Membership Agreement](https://na3.docusign.net/Member/PowerFormSigning.aspx?PowerFormId=610f838a-3001-4999-aca0-6682cbcac66c&env=na3-eu1&acct=2160069d-b42e-4c0a-9528-3a58d1c58bf9&v=2).
 3. Prebid will consider your membership application.
 
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