diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 962fcf235..153cb73fd 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -77,10 +77,10 @@ public:
     CMainParams() {
         strNetworkID = "main";
         consensus.nSubsidyHalvingInterval = 800000;
-        consensus.BIP34Height = 710000;
-        consensus.BIP34Hash = uint256S("fa09d204a83a768ed5a7c8d441fa62f2043abf420cff1226c7b4329aeb9d51cf");
-        consensus.BIP65Height = 918684; // bab3041e8977e0dc3eeff63fe707b92bde1dd449d8efafb248c27c8264cc311a
-        consensus.BIP66Height = 811879; // 7aceee012833fa8952f8835d8b1b3ae233cd6ab08fdb27a771d2bd7bdc491894
+        consensus.BIP34Height = 1679161;
+        consensus.BIP34Hash = uint256S("490a10507efe42b89104408787088b7c43310cc230310201b5f57dac6f513b8b");
+        consensus.BIP65Height = 1679161; // 490a10507efe42b89104408787088b7c43310cc230310201b5f57dac6f513b8b
+        consensus.BIP66Height = 1679161; // 490a10507efe42b89104408787088b7c43310cc230310201b5f57dac6f513b8b
         consensus.powLimit = uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
         consensus.fPowAllowMinDifficultyBlocks = false;
         consensus.fPowNoRetargeting = false;