diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6461297889d9..5fca889fdb89 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,6 +44,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### Improvements
 
 * (x/auth) [#13048](https://github.com/cosmos/cosmos-sdk/pull/13048) Add handling of AccountNumberStoreKeyPrefix to the simulation decoder.
+* (simapp) [#13108](https://github.com/cosmos/cosmos-sdk/pull/13108) Call `SetIAVLCacheSize` with the configured value in simapp.
 
 ### Bug Fixes
 
diff --git a/server/start.go b/server/start.go
index e0a97bb931cf..c8d57f664c7f 100644
--- a/server/start.go
+++ b/server/start.go
@@ -57,6 +57,7 @@ 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 cb0d3f6e0c34..f659caab2b62 100644
--- a/simapp/simd/cmd/root.go
+++ b/simapp/simd/cmd/root.go
@@ -291,6 +291,7 @@ func (a appCreator) newApp(logger log.Logger, db dbm.DB, traceStore io.Writer, a
 		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))),
 	)
 }