EXHIBIT 3.1




                           AMENDMENT TO THE BYLAWS OF
                                IBT BANCORP, INC.


The Bylaws of IBT Bancorp, Inc., are hereby amended effective November 20, 2006,
by making the following change:

Article III, Section 6 is amended to read as follows:

      Section 6. Retirement of Directors. Members of the Board of Directors will
      retire from the Board at the completion of the month in which they attain
      seventy (70) years of age. The foregoing language notwithstanding, members
      of the Board of Directors who attain seventy (70) years of age during
      calendar year 2007 shall retire from the Board effective January 1, 2008.

The foregoing amendment was duly approved by the Board of Directors of IBT
Bancorp, Inc. on November 20, 2006.


                            -------------------------
                            Debra Campbell, Secretary