diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 4d0e43ac9b..461f229ed5 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -1289,7 +1289,7 @@ class CLiquidV1Params : public CChainParams {
 
         // Simplicity
         consensus.vDeployments[Consensus::DEPLOYMENT_SIMPLICITY].bit = 24;
-        consensus.vDeployments[Consensus::DEPLOYMENT_SIMPLICITY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
+        consensus.vDeployments[Consensus::DEPLOYMENT_SIMPLICITY].nStartTime = 1740960000; // March 3, 2025
         consensus.vDeployments[Consensus::DEPLOYMENT_SIMPLICITY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
         consensus.vDeployments[Consensus::DEPLOYMENT_SIMPLICITY].min_activation_height = 0; // No activation delay
         consensus.vDeployments[Consensus::DEPLOYMENT_SIMPLICITY].nPeriod = 10080; // one week...