diff --git a/CHANGELOG.md b/CHANGELOG.md
index b180c46c384..932cb66173a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -108,6 +108,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (modules/core/keeper) [\#1728](https://github.com/cosmos/ibc-go/pull/2399) Updated channel callback errors to include portID & channelID for better identification of errors.
 * [\#2434](https://github.com/cosmos/ibc-go/pull/2478) Removed all `TypeMsg` constants
 * (modules/core/exported) [#1689] (https://github.com/cosmos/ibc-go/pull/2539) Removing `GetVersions` from `ConnectionI` interface.
+* (testing) [\#2657](https://github.com/cosmos/ibc-go/pull/2657) Carry `ProposerAddress` through commited blocks. Allow `DefaultGenTxGas` to be modified.
 
 ### Features
 
diff --git a/testing/chain.go b/testing/chain.go
index 291c936db20..46b430968f2 100644
--- a/testing/chain.go
+++ b/testing/chain.go
@@ -298,6 +298,7 @@ func (chain *TestChain) NextBlock() {
 		Time:               chain.CurrentHeader.Time,
 		ValidatorsHash:     chain.Vals.Hash(),
 		NextValidatorsHash: chain.NextVals.Hash(),
+		ProposerAddress:    chain.CurrentHeader.ProposerAddress,
 	}
 
 	chain.App.BeginBlock(abci.RequestBeginBlock{Header: chain.CurrentHeader})
diff --git a/testing/simapp/helpers/test_helpers.go b/testing/simapp/helpers/test_helpers.go
index 9ccecbd976c..f4f55087815 100644
--- a/testing/simapp/helpers/test_helpers.go
+++ b/testing/simapp/helpers/test_helpers.go
@@ -12,11 +12,11 @@ import (
 	authsign "github.com/cosmos/cosmos-sdk/x/auth/signing"
 )
 
+// DefaultGenTxGas default gas for tx simulation
+var DefaultGenTxGas = uint64(1000000)
+
 // SimAppChainID hardcoded chainID for simulation
-const (
-	DefaultGenTxGas = 1000000
-	SimAppChainID   = "simulation-app"
-)
+const SimAppChainID = "simulation-app"
 
 // GenTx generates a signed mock transaction.
 func GenTx(gen client.TxConfig, msgs []sdk.Msg, feeAmt sdk.Coins, gas uint64, chainID string, accNums, accSeqs []uint64, priv ...cryptotypes.PrivKey) (sdk.Tx, error) {