diff --git a/app/abcipp.go b/app/abcipp.go
index a4ad9bd9..3ebf7858 100644
--- a/app/abcipp.go
+++ b/app/abcipp.go
@@ -98,7 +98,7 @@ func (app *InitiaApp) setupABCIPP(mempoolMaxTxs int, appOpts servertypes.AppOpti
 			MaxQueuedPerSender: abcippCfg.MaxQueuedPerSender,
 			MaxQueuedTotal:     abcippCfg.MaxQueuedTotal,
 			QueuedGapTTL:       abcippCfg.QueuedGapTTL,
-			Tiers:              []abcipp.Tier{},  // no tiers on L1
+			Tiers:              []abcipp.Tier{}, // no tiers on L1
 			AnteHandler:        safeFullHandler, // for cleanup (panic-safe)
 		}, app.Logger(), app.TxEncode, app.AccountKeeper,
 	)
diff --git a/go.mod b/go.mod
index c6dac70c..a5a4e2a5 100644
--- a/go.mod
+++ b/go.mod
@@ -271,10 +271,11 @@ replace (
 //
 // iavl
 // - https://github.com/initia-labs/iavl/commit/1a8bbb22bb7defa7108dbd07b2f4a4f80f37d060
+// - upstream v1.2.8 base: cosmos/iavl#1142 fastnode cache race
 replace (
 	github.com/cometbft/cometbft => github.com/initia-labs/cometbft v0.38.21-initia.4
 	github.com/cosmos/cosmos-sdk => github.com/initia-labs/cosmos-sdk v0.50.15-initia.0
-	github.com/cosmos/iavl => github.com/initia-labs/iavl v1.2.6-initia.1
+	github.com/cosmos/iavl => github.com/initia-labs/iavl v1.2.8-initia.1
 
 	github.com/noble-assets/forwarding/simapp => github.com/initia-labs/forwarding/simapp v1.0.0
 	github.com/noble-assets/forwarding/v2 => github.com/initia-labs/forwarding/v2 v2.0.3-initia.3
diff --git a/go.sum b/go.sum
index 16319ef0..fd0102a2 100644
--- a/go.sum
+++ b/go.sum
@@ -744,8 +744,8 @@ github.com/initia-labs/forwarding/simapp v1.0.0 h1:MNHLACO0053BAMO3+Ra2ZTlTTB5Wi
 github.com/initia-labs/forwarding/simapp v1.0.0/go.mod h1:MOIDS73NjoIvTZ3OxUmJXY+Ry7xxXumrXPVZrAeJOhY=
 github.com/initia-labs/forwarding/v2 v2.0.3-initia.3 h1:Uu1VqRsSwX7rgS2A4M3Snzyzk9mJRq2v/ZD4xKHTJkM=
 github.com/initia-labs/forwarding/v2 v2.0.3-initia.3/go.mod h1:N3OzYf14ton71zCxomBmpR7tOxZ2dKwhsMxUmtuJuVQ=
-github.com/initia-labs/iavl v1.2.6-initia.1 h1:4vf9eiccLkob2eiM8YAM8Gf/UBniEFUKpvncM/hVoO8=
-github.com/initia-labs/iavl v1.2.6-initia.1/go.mod h1:GiM43q0pB+uG53mLxLDzimxM9l/5N9UuSY3/D0huuVw=
+github.com/initia-labs/iavl v1.2.8-initia.1 h1:qR5DtZu5n1gQ1z3oZkIeezcFhpF/2s7QfbgJkdhVlE4=
+github.com/initia-labs/iavl v1.2.8-initia.1/go.mod h1:FRHN4tO+6crf0p2zsqye+nAbsMgiwdkxpWm18DyP6+Y=
 github.com/initia-labs/movevm v1.2.0 h1:IbpipjRIZe851FJZZzP3RGIqrOCcNsI6bDF9VC0K0do=
 github.com/initia-labs/movevm v1.2.0/go.mod h1:sj/kXD7mUQASqogPTjqltIr4Uid3xxnlcbfiFvvqeXA=
 github.com/initia-labs/store v0.1.2 h1:NiTc0uz2dSd/A8biFU88G2+K4yFQhVT7NQwrBsZNps0=