diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 8fe4f4e87..2ab584ae9 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -93,8 +93,8 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 709632; // Approximately November 12th, 2021
 
-        consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000006805c7318ce2736c0");
-        consensus.defaultAssumeValid = uint256S("0x1673fa904a93848eca83d5ca82c7af974511a7e640e22edc2976420744f2e56a"); // 1155631
+        consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000c1bfe2bbe614f41260");
+        consensus.defaultAssumeValid = uint256S("0x66f49ad85624c33e4fd61aa45c54012509ed4a53308908dd07f56346c7939273"); // 1441280
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.
@@ -208,8 +208,8 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
 
-        consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000000000054cb9e7a0");
-        consensus.defaultAssumeValid = uint256S("0x43a16a626ef2ffdbe928f2bc26dcd5475c6a1a04f9542dfc6a0a88e5fcf9bd4c"); // 8711
+        consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000001df7b5aa1700ce");
+        consensus.defaultAssumeValid = uint256S("0x1efb29c8187d5a496a33377941d1df415169c3ce5d8c05d055f25b683ec3f9a3"); // 612653
 
         pchMessageStart[0] = 0xfd;
         pchMessageStart[1] = 0xd2;