Not sure where you got that version but most likely if you go to one of the official released versions you'll get it.
Look at the system version row
Table 4 Supported Cisco Unified Communications Manager Upgrades for Release 8.0(x)
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/compat/ccmcompmatr.html#wp184796
Those are the officially supported releases, along with any SRs/ESs that are available in CCO.
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HTH
java
if this helps, please rate