diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c623f39ac24..b8ba6cd1c1e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -70,6 +70,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * [#12886](https://github.com/cosmos/cosmos-sdk/pull/12886) Amortize cost of processing cache KV store
 * [#12953](https://github.com/cosmos/cosmos-sdk/pull/12953) Change the default priority mechanism to be based on gas price.
 * [#13048](https://github.com/cosmos/cosmos-sdk/pull/13048) Add handling of AccountNumberStoreKeyPrefix to the x/auth simulation decoder.
+* (simapp) [#]() Call `SetIAVLCacheSize` with the configured value in simapp.
 
 ### State Machine Breaking
 
diff --git a/server/start.go b/server/start.go
index f425420efcda..307fde9eaedd 100644
--- a/server/start.go
+++ b/server/start.go
@@ -56,6 +56,7 @@ 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 568a1fe3505e..9b0965458d70 100644
--- a/simapp/simd/cmd/root.go
+++ b/simapp/simd/cmd/root.go
@@ -301,6 +301,7 @@ func newApp(
 		baseapp.SetTrace(cast.ToBool(appOpts.Get(server.FlagTrace))),
 		baseapp.SetIndexEvents(cast.ToStringSlice(appOpts.Get(server.FlagIndexEvents))),
 		baseapp.SetSnapshot(snapshotStore, snapshotOptions),
+		baseapp.SetIAVLCacheSize(cast.ToInt(appOpts.Get(server.FlagIAVLCacheSize))),
 	)
 }