diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7fb92147a9dc..feaca9011e7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * [#12885](https://github.com/cosmos/cosmos-sdk/pull/12885) Amortize cost of processing cache KV store.
 * [#12970](https://github.com/cosmos/cosmos-sdk/pull/12970) Bump Tendermint to `v0.34.21` and IAVL to `v0.19.1`.
 * [#12693](https://github.com/cosmos/cosmos-sdk/pull/12693) Make sure the order of each node is consistent when emitting proto events.
+* (simapp) [#13107](https://github.com/cosmos/cosmos-sdk/pull/13107) Call `SetIAVLCacheSize` with the configured value in simapp.
 
 ### Bug Fixes
 
diff --git a/server/start.go b/server/start.go
index a20f73f32978..6f59a75f691c 100644
--- a/server/start.go
+++ b/server/start.go
@@ -53,6 +53,7 @@ const (
 	FlagPruningInterval   = "pruning-interval"
 	FlagIndexEvents       = "index-events"
 	FlagMinRetainBlocks   = "min-retain-blocks"
+	FlagIAVLCacheSize     = "iavl-cache-size"
 
 	// state sync-related flags
 	FlagStateSyncSnapshotInterval   = "state-sync.snapshot-interval"
diff --git a/simapp/simd/cmd/root.go b/simapp/simd/cmd/root.go
index 2313b1769d58..3189241f9b8d 100644
--- a/simapp/simd/cmd/root.go
+++ b/simapp/simd/cmd/root.go
@@ -272,6 +272,7 @@ func (a appCreator) newApp(logger log.Logger, db dbm.DB, traceStore io.Writer, a
 		baseapp.SetSnapshotStore(snapshotStore),
 		baseapp.SetSnapshotInterval(cast.ToUint64(appOpts.Get(server.FlagStateSyncSnapshotInterval))),
 		baseapp.SetSnapshotKeepRecent(cast.ToUint32(appOpts.Get(server.FlagStateSyncSnapshotKeepRecent))),
+		baseapp.SetIAVLCacheSize(cast.ToInt(appOpts.Get(server.FlagIAVLCacheSize))),
 	)
 }