diff --git a/Chapter05/ACS.Utilities/ASC.Utilities.csproj b/Chapter05/ACS.Utilities/ASC.Utilities.csproj
index 73aef60..d25b099 100644
--- a/Chapter05/ACS.Utilities/ASC.Utilities.csproj
+++ b/Chapter05/ACS.Utilities/ASC.Utilities.csproj
@@ -6,7 +6,7 @@
 
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-    <PackageReference Include="Newtonsoft.Json" Version="10.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
 </Project>
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