Wallet Version v1.6.0.0 obsolete warning

[djspacedevil]

I create the latest version from git and become always the error that the version is obsolete.

"version" : "v1.6.0.0",
    "protocolversion" : 60011,
    "walletversion" : 60000,
    "balance" : 7960.61904600,
    "newmint" : 0.00000000,
    "stake" : 0.00000000,
    "blocks" : 3077040,
    "timeoffset" : 0,
    "moneysupply" : 80905922.38053501,
    "connections" : 1,
    "proxy" : "",
    "ip" : "0.0.0.0",
    "difficulty" : {
        "proof-of-work" : 8055202.39246859,
        "proof-of-stake" : 6.23559894
    },
    "testnet" : false,
    "keypoololdest" : 1387903113,
    "keypoolsize" : 101,
    "paytxfee" : 0.00100000,
    "mininput" : 0.00000000,
    "unlocked_until" : 0,
    "errors" : "Warning: This version is obsolete, upgrade required!"