diff --git a/OpenXmlPowerToolsExamples/MarkupSimplifierApp/MarkupSimplifierApp.csproj b/OpenXmlPowerToolsExamples/MarkupSimplifierApp/MarkupSimplifierApp.csproj
index 833b69ae..9a156137 100644
--- a/OpenXmlPowerToolsExamples/MarkupSimplifierApp/MarkupSimplifierApp.csproj
+++ b/OpenXmlPowerToolsExamples/MarkupSimplifierApp/MarkupSimplifierApp.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.3" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.4" />
   </ItemGroup>
 
   <ItemGroup>