diff --git a/crates/bevy_pbr/src/material.rs b/crates/bevy_pbr/src/material.rs
index 181499618418e..26616466446f1 100644
--- a/crates/bevy_pbr/src/material.rs
+++ b/crates/bevy_pbr/src/material.rs
@@ -8,7 +8,7 @@ use crate::meshlet::{
 };
 use crate::*;
 use bevy_asset::prelude::AssetChanged;
-use bevy_asset::{Asset, AssetEvents, AssetId, AssetServer, UntypedAssetId};
+use bevy_asset::{Asset, AssetId, AssetServer, UntypedAssetId};
 use bevy_core_pipeline::deferred::{AlphaMask3dDeferred, Opaque3dDeferred};
 use bevy_core_pipeline::prepass::{AlphaMask3dPrepass, Opaque3dPrepass};
 use bevy_core_pipeline::{
@@ -286,12 +286,11 @@ where
             .add_plugins((RenderAssetPlugin::<PreparedMaterial<M>>::default(),))
             .add_systems(
                 PostUpdate,
-                (
-                    mark_meshes_as_changed_if_their_materials_changed::<M>.ambiguous_with_all(),
-                    check_entities_needing_specialization::<M>.after(AssetEvents),
-                )
+                mark_meshes_as_changed_if_their_materials_changed::<M>
+                    .ambiguous_with_all()
                     .after(mark_3d_meshes_as_changed_if_their_assets_changed),
-            );
+            )
+            .add_systems(Last, check_entities_needing_specialization::<M>);
 
         if self.shadows_enabled {
             app.add_systems(
diff --git a/crates/bevy_sprite/src/mesh2d/material.rs b/crates/bevy_sprite/src/mesh2d/material.rs
index e34595f138eb5..8f187753b010f 100644
--- a/crates/bevy_sprite/src/mesh2d/material.rs
+++ b/crates/bevy_sprite/src/mesh2d/material.rs
@@ -2,9 +2,9 @@ use crate::{
     DrawMesh2d, Mesh2d, Mesh2dPipeline, Mesh2dPipelineKey, RenderMesh2dInstances,
     SetMesh2dBindGroup, SetMesh2dViewBindGroup, ViewKeyCache, ViewSpecializationTicks,
 };
-use bevy_app::{App, Plugin, PostUpdate};
+use bevy_app::{App, Last, Plugin};
 use bevy_asset::prelude::AssetChanged;
-use bevy_asset::{AsAssetId, Asset, AssetApp, AssetEvents, AssetId, AssetServer, Handle};
+use bevy_asset::{AsAssetId, Asset, AssetApp, AssetId, AssetServer, Handle};
 use bevy_core_pipeline::{
     core_2d::{
         AlphaMask2d, AlphaMask2dBinKey, BatchSetKey2d, Opaque2d, Opaque2dBinKey, Transparent2d,
@@ -271,10 +271,7 @@ where
             .init_resource::<EntitiesNeedingSpecialization<M>>()
             .register_type::<MeshMaterial2d<M>>()
             .add_plugins(RenderAssetPlugin::<PreparedMaterial2d<M>>::default())
-            .add_systems(
-                PostUpdate,
-                check_entities_needing_specialization::<M>.after(AssetEvents),
-            );
+            .add_systems(Last, check_entities_needing_specialization::<M>);
 
         if let Some(render_app) = app.get_sub_app_mut(RenderApp) {
             render_app