diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 7c8ed5219..953799817 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -148,8 +148,8 @@ class CMainParams : public CChainParams
         // nBlockEnforceInvalidUTXO = 0; // (PIVX: 902850) //Start enforcing the invalid UTXO's
         // nInvalidAmountFiltered = 268200*COIN; // (PIVX: 268200) //Amount of invalid coins filtered through exchanges, that should be considered valid
         nBlockZerocoinV2 = 999999999; // (PIVX: 1153160) //!> The block that zerocoin v2 becomes active - roughly Tuesday, May 8, 2018 4:00:00 AM GMT
-        nEnforceNewSporkKey = 1525158000; // (PIVX: 1525158000) //!> Sporks signed after (GMT): Tuesday, May 1, 2018 7:00:00 AM GMT must use the new spork key
-        nRejectOldSporkKey = 1527811200; // (PIVX: 1527811200) //!> Fully reject old spork key after (GMT): Friday, June 1, 2018 12:00:00 AM
+        nEnforceNewSporkKey = 1537963200; // (PIVX: 1525158000) //!> Sporks signed after (GMT): Wednesday, September 26,2018 12:00 PM must use the new spork key
+        nRejectOldSporkKey = 1537966800; // (PIVX: 1527811200) //!> Fully reject old spork key after (GMT): Wednesday, September 26,2018 12:00 PM
 
         const char* pszTimestamp = "Bitcoin Block #540723:  000000000000000000200b9c401b3022de17cd305ba6ef9ce5bade07f9f5ebe5";
         CMutableTransaction txNew;
@@ -225,8 +225,8 @@ class CMainParams : public CChainParams
         fHeadersFirstSyncingActive = false;
 
         nPoolMaxTransactions = 3;
-        strSporkKey = "04beb92bb57470a4e6b011a291026c8cb6ce59c20b36ae5128d88b723c198443cb35cb2609eb9054f9fc49aa9f49257026cd1a09afb3fd7e1429086ab708ffb482";
-        strSporkKeyOld = "0413e2041484553f1fba37f5f2af6def9ad6fd16d90b947734ff8d9b885fa38c7e04c98ba5c3ba093d36c20b05d521a5882d63c1b2653914e16c3c68c602b58308";
+        strSporkKey = "0429929bc9edbbdbee4830f004d0265608fbcc4caa9feff1fe58ff97354ddcf125b1c1636663d3f447d6c29d7b04bcb6fc492d2955c567be65ecb63fa2cbe2ce36";
+        strSporkKeyOld = "04beb92bb57470a4e6b011a291026c8cb6ce59c20b36ae5128d88b723c198443cb35cb2609eb9054f9fc49aa9f49257026cd1a09afb3fd7e1429086ab708ffb482";
         strObfuscationPoolDummyAddress = "S87q2gC9j6nNrnzCsg4aY6bHMLsT9nUhEw";
         nStartMasternodePayments = 1527634800; // 2018-05-30 00:00:00
 
@@ -293,8 +293,8 @@ class CTestNetParams : public CMainParams
         // nBlockEnforceInvalidUTXO = 0; //Start enforcing the invalid UTXO's
         // nInvalidAmountFiltered = 0; //Amount of invalid coins filtered through exchanges, that should be considered valid
         nBlockZerocoinV2 = 999999999; //!> The block that zerocoin v2 becomes active
-        nEnforceNewSporkKey = 1521604800; //!> Sporks signed after Wednesday, March 21, 2018 4:00:00 AM GMT must use the new spork key
-        nRejectOldSporkKey = 1522454400; //!> Reject old spork key after Saturday, March 31, 2018 12:00:00 AM GMT
+	nEnforceNewSporkKey = 1537963200; // (PIVX: 1525158000) //!> Sporks signed after (GMT): Wednesday, September 26,2018 12:00 PM must use the new spork key
+        nRejectOldSporkKey = 1537966800; // (PIVX: 1527811200) //!> Fully reject old spork key after (GMT): Wednesday, September 26,2018 12:00 PM
 
         //! Modify the testnet genesis block so the timestamp is valid for a later start.
         genesis.nTime = 1535103494;
@@ -364,8 +364,8 @@ class CTestNetParams : public CMainParams
         fTestnetToBeDeprecatedFieldRPC = true;
 
         nPoolMaxTransactions = 2;
-        strSporkKey = "04beb92bb57470a4e6b011a291026c8cb6ce59c20b36ae5128d88b723c198443cb35cb2609eb9054f9fc49aa9f49257026cd1a09afb3fd7e1429086ab708ffb482";
-        strSporkKeyOld = "0413e2041484553f1fba37f5f2af6def9ad6fd16d90b947734ff8d9b885fa38c7e04c98ba5c3ba093d36c20b05d521a5882d63c1b2653914e16c3c68c602b58308";
+        strSporkKey = "0429929bc9edbbdbee4830f004d0265608fbcc4caa9feff1fe58ff97354ddcf125b1c1636663d3f447d6c29d7b04bcb6fc492d2955c567be65ecb63fa2cbe2ce36";
+        strSporkKeyOld = "04beb92bb57470a4e6b011a291026c8cb6ce59c20b36ae5128d88b723c198443cb35cb2609eb9054f9fc49aa9f49257026cd1a09afb3fd7e1429086ab708ffb482";
         strObfuscationPoolDummyAddress = "m57cqfGRkekRyDRNeJiLtYVEbvhXrNbmox";
         nStartMasternodePayments = 1527634800; //30th May 2018 00:00:00
         nBudget_Fee_Confirmations = 3; // Number of confirmations for the finalization fee. We have to make this very short