diff --git a/KanSan.ViewModel/KanSan.ViewModel.csproj b/KanSan.ViewModel/KanSan.ViewModel.csproj
index cf78868..2113209 100644
--- a/KanSan.ViewModel/KanSan.ViewModel.csproj
+++ b/KanSan.ViewModel/KanSan.ViewModel.csproj
@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Win32.Registry" Version="4.7.0" />
-    <PackageReference Include="Syncfusion.XlsIO.Wpf" Version="18.1.0.55" />
+    <PackageReference Include="Syncfusion.XlsIO.Wpf" Version="18.1.0.56" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/KanSan/KanSan.csproj b/KanSan/KanSan.csproj
index 4676b73..f9faf6d 100644
--- a/KanSan/KanSan.csproj
+++ b/KanSan/KanSan.csproj
@@ -15,11 +15,11 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.3" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="3.1.3" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.Design" Version="1.1.0" />
-    <PackageReference Include="Syncfusion.DocIO.Wpf" Version="18.1.0.55" />
-    <PackageReference Include="Syncfusion.DocToPDFConverter.Wpf" Version="18.1.0.55" />
-    <PackageReference Include="Syncfusion.Grid.WPF" Version="18.1.0.55" />
-    <PackageReference Include="Syncfusion.Shared.WPF" Version="18.1.0.55" />
-    <PackageReference Include="Syncfusion.XlsIO.Wpf" Version="18.1.0.55" />
+    <PackageReference Include="Syncfusion.DocIO.Wpf" Version="18.1.0.56" />
+    <PackageReference Include="Syncfusion.DocToPDFConverter.Wpf" Version="18.1.0.56" />
+    <PackageReference Include="Syncfusion.Grid.WPF" Version="18.1.0.56" />
+    <PackageReference Include="Syncfusion.Shared.WPF" Version="18.1.0.56" />
+    <PackageReference Include="Syncfusion.XlsIO.Wpf" Version="18.1.0.56" />
   </ItemGroup>
 
   <ItemGroup>