Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:           

(1)	Registration Statement (Forms S-3 No. 333-220190 and 333-217977) of Upland Software, Inc.,
(2)	Registration Statement (Forms S-8 No. No. 333-217049, 333-211560, 333-203574 and 333-199961) pertaining to the 2014 Equity Incentive Plan and the Amended and Restated 2010 Stock Plan of Upland Software, Inc.;

of our report dated March 8, 2018, with respect to the consolidated financial statements of Upland Software, Inc. included in this Annual Report (Form 10-K) of Upland Software, Inc. for the year ended December 31, 2017.

/s/ Ernst & Young LLP

Austin, Texas

March 8, 2018