SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    FORM 6-K

                        REPORT OF FOREIGN PRIVATE ISSUER
                      PURSUANT TO RULE 13a-16 OR 15d-16 OF
                       THE SECURITIES EXCHANGE ACT OF 1934



For the month of May 2001.




                                 CGI Group Inc.
                 (Translation of Registrant's Name Into English)



                           1130 Sherbrooke Street West
                                    5th Floor
                                Montreal, Quebec
                                 Canada H3A 2M8
                    (Address of Principal Executive Offices)



     (Indicate  by check mark whether the  registrant  files or will file annual
reports under cover of Form 20-F or Form 40-F.)

Form 20-F           Form 40-F   X


     (Indicate  by  check  mark  whether  the   registrant  by  furnishing   the
information contained in this form is also thereby furnishing the information to
the Commission  pursuant to Rule 12g3-2(b) under the Securities  Exchange Act of
1934.)

Yes         No   X

(If "Yes" is marked,  indicate below the file number  assigned to the registrant
in connection with Rule 12g3-2(b): 82-___.


Enclosure: Press Release dated May 31, 2001

This Form 6-K shall be deemed  incorporated  by  reference  in the  Registrant's
Registration Statements on Form S-8, Reg. Nos. 333-9106 and 333-13350.



          PRESS RELEASE                             FOR IMMEDIATE PUBLICATION

              CGI acquires California-based CyberBranch Corporation


Palo Alto, California,  May 31, 2001 - CGI Group Inc. (NYSE: GIB, TSE:GIB.A) and
CyberBranch  Corporation  announced  today  that they have  signed an  agreement
whereby CGI has acquired  CyberBranch,  a subsidiary of Stanford  Federal Credit
Union of Palo Alto California.  CyberBranch is an Internet and Intranet provider
of leading edge technology to credit unions across North America.

CyberBranch brings CGI a suite of leading edge Web-based  technology  solutions,
backed by a highly skilled team of professionals with the know-how and expertise
to develop and operate these solutions for credit unions. Of particular interest
is the Loan Navigator  solution that provides instant  decisioning for all types
of Internet loan  applications  in under a minute.  CyberBranch  Corporation has
been acquired for a cash  consideration of approximately  US$ 1 million (CDN$1.5
million) plus future royalty considerations.

Through this  acquisition,  CGI will expand its Web-enabled  solutions and build
upon its Web-enabled delivery channel  capabilities.  The CyberBranch  expertise
and  solution  set,  including a  Web-enabled  core banking  front end,  various
Web-enabled  credit  union  member  access  components,  and  its  expertise  at
delivering Web solutions in an ASP mode,  accelerates  CGI's  implementation  of
this strategy.

Warren  Marshall,  CyberBranch's  president  and CEO,  added:  "We are extremely
pleased  about  joining  CGI.  Our  current  clients  and  technology   partners
investment  in  CyberBranch  e-commerce  solutions is preserved  now and for the
future. CGI's established  distribution network,  combined with our leading edge
technologies and expertise, will allow us to significantly increase our critical
mass in a rapidly  consolidating  North American  market place.  Leveraging both
companies'  solutions  and skill  sets  will  allow us to  present a  compelling
offering to our credit union clients all across Canada and the U.S."

John R. Davis,  president and CEO of Stanford  Federal  Credit Union said:  "The
acquisition  by CGI offers the Credit  Union an ability to continue to work as a
technology partner with CyberBranch,  while  participating in the future success
of the company as it sells into an expanded, international market place."



                                                                        .../2




Press release - page 2


"We are delighted to welcome the 21  professionals  of CyberBranch to CGI," said
Gilles Godbout,  senior  vice-president  of Credit Union Solutions and Services,
CGI.  "With  operations in the Silicon Valley and some 170 clients in the credit
union sector,  CyberBranch  enhances our already established  presence in the US
credit  union  market.  It also brings  highly  valuable IT  solutions,  and its
skilled staff will contribute to our leading edge expertise in meeting the needs
of financial services clients."

CGI provides  core  banking  solutions  to more than 350 North  American  credit
unions and  supports  approximately  2,500  ATMs,  and  processes  more than 300
million payment transactions annually.

About CyberBranch
CyberBranch  was  incorporated  on April 1, 1997 as a subsidiary of the Stanford
Federal  Credit  Union  of  Palo  Alto  California.   Cyberbranch,  through  its
affiliation  with,  and the  research  efforts  of the Credit  Union,  have been
leaders in the  development  of Internet  delivery  technologies  for the Credit
Union Marketplace. www.cyberbranch.com

About CGI
Founded in 1976,  CGI is the fifth largest  independent  information  technology
services  firm in North  America,  based on its  headcount  of more than  10,000
professionals.  CGI's order backlog totals approximately US$5.3 billion (CDN$8.2
billion) and its revenue  run-rate is close to US$1 billion  (CDN$1.5  billion).
CGI provides  end-to-end IT services and business  solutions to 2,500 clients in
the United  States,  Canada and more than 20 countries  around the world.  CGI's
shares are listed on the NYSE  (GIB),  as well as on the TSE  (GIB.A).  They are
included in the Toronto  Stock  Exchange's  TSE 300 index as well as the S&P/TSE
Canadian Information Technology index. Web site: www.cgi.ca.

Forward-Looking Statements
All statements in this press release that do not directly and exclusively relate
to historical facts constitute  "forward-looking  statements" within the meaning
of the  Private  Securities  Litigation  Reform  Act of 1995.  These  statements
represent CGI Group Inc.'s intentions, plans, expectations, and beliefs, and are
subject to risks, uncertainties, and other factors, of which many are beyond the
control of the  Company.  These  factors  could cause  actual  results to differ
materially from such forward-looking statements.

These  factors  include  and  are  not  restricted  to the  timing  and  size of
contracts, acquisitions and other corporate developments; the ability to attract
and retain  qualified  employees;  market  competition  in the  rapidly-evolving
information technology industry;  general economic and business conditions;  and
other risks  identified in  Management's  Discussion and Analysis  (MD&A) in CGI
Group Inc.'s annual report or Form 40F filed with the U.S. Securities & Exchange
Commission  and the  Company's  Annual  Information  Form  filed  with  Canadian
securities  commissions.  All  of the  risk  factors  included  in  these  filed
documents  are  included  here by  reference.  CGI  disclaims  any  intention or
obligation  to update or revise  any  forward-looking  statements,  whether as a
result of new information, future events or otherwise.


For more information:
Investor inquiries                                   Media inquiries
Ronald White                                         Eileen Murphy
Director, investor relations                         Director, media relations
(514) 841-3230                                       (514) 841-3430





                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned, thereunto duly authorized.

                                      CGI GROUP INC.
                                       (Registrant)


Date May 31, 2001                     By /s/ Paule Dore
                                             Name: Paule Dore
                                             Title: Executive Vice President
                                                    and Chief Corporate Officer
                                                    and Secretary