diff --git a/CHANGELOG.md b/CHANGELOG.md
index 089d01fb0c5..72c7e98bd03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,6 +48,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Misc Improvements
 
 * [#6788](https://github.com/osmosis-labs/osmosis/pull/6788) Improve error message when CL LP fails due to slippage bound hit.
+* [#6891](https://github.com/osmosis-labs/osmosis/pull/6891) Enable 1559 mempool by default.
 
 ### API Breaks
 
diff --git a/cmd/osmosisd/cmd/root.go b/cmd/osmosisd/cmd/root.go
index 4528a514be0..5bf0e1e2d3d 100644
--- a/cmd/osmosisd/cmd/root.go
+++ b/cmd/osmosisd/cmd/root.go
@@ -456,7 +456,7 @@ arbitrage-min-gas-fee = ".005"
 min-gas-price-for-high-gas-tx = ".0025"
 
 # This parameter enables EIP-1559 like fee market logic in the mempool
-adaptive-fee-enabled = "false"
+adaptive-fee-enabled = "true"
 `
 
 	return OsmosisAppTemplate, OsmosisAppCfg
diff --git a/x/txfees/types/options.go b/x/txfees/types/options.go
index c08c1b73fac..e39b79d0264 100644
--- a/x/txfees/types/options.go
+++ b/x/txfees/types/options.go
@@ -23,7 +23,7 @@ var (
 	DefaultMinGasPriceForHighGasTx = osmomath.ZeroDec()
 	DefaultMaxGasWantedPerTx       = uint64(25 * 1000 * 1000)
 	DefaultHighGasTxThreshold      = uint64(1 * 1000 * 1000)
-	DefaultMempool1559Enabled      = false
+	DefaultMempool1559Enabled      = true
 )
 
 var GlobalMempool1559Enabled = false