diff --git a/src/MyNet.UI/MyNet.UI.csproj b/src/MyNet.UI/MyNet.UI.csproj
index 4c88879..7f42973 100644
--- a/src/MyNet.UI/MyNet.UI.csproj
+++ b/src/MyNet.UI/MyNet.UI.csproj
@@ -23,10 +23,10 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="MyNet.DynamicData.Extensions" Version="2.0.0" />
-    <PackageReference Include="MyNet.Observable" Version="5.0.1" />
+    <PackageReference Include="MyNet.Observable" Version="5.1.0" />
     <PackageReference Include="MyNet.Observable.Collections" Version="4.0.0" />
     <PackageReference Include="MyNet.Observable.Translatables" Version="3.0.0" />
-    <PackageReference Include="MyNet.Utilities" Version="3.2.0" />
+    <PackageReference Include="MyNet.Utilities" Version="3.5.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/MyNet.UI/ViewModels/List/ListViewModelBase.cs b/src/MyNet.UI/ViewModels/List/ListViewModelBase.cs
index 5773c14..4bd7c72 100644
--- a/src/MyNet.UI/ViewModels/List/ListViewModelBase.cs
+++ b/src/MyNet.UI/ViewModels/List/ListViewModelBase.cs
@@ -75,7 +75,13 @@ protected ListViewModelBase(
                 System.Reactive.Linq.Observable.FromEventPattern<GroupingChangedEventArgs>(x => Grouping.GroupingChanged += x, x => Grouping.GroupingChanged -= x).Subscribe(x => OnGroupChanged(x.EventArgs.GroupProperties)),
                 System.Reactive.Linq.Observable.FromEventPattern<PagingChangedEventArgs>(x => Paging.PagingChanged += x, x => Paging.PagingChanged -= x).Subscribe(x => OnPagingChanged(x.EventArgs.Page, x.EventArgs.PageSize)),
                 Collection.WhenPropertyChanged(x => x.Count).Subscribe(_ => RaisePropertyChanged(nameof(Count))),
-                Collection.WhenPropertyChanged(x => x.Count).Subscribe(_ => RaisePropertyChanged(nameof(SourceCount))),
+                Collection.WhenPropertyChanged(x => x.SourceCount).Subscribe(_ =>
+                {
+                    RaisePropertyChanged(nameof(SourceCount));
+
+                    if(!IsModifiedSuspender.IsSuspended)
+                        SetIsModified();
+                }),
                 Collection,
             ]);