diff --git a/Demo.LibraryNetStandard/Demo.LibraryNetStandard.csproj b/Demo.LibraryNetStandard/Demo.LibraryNetStandard.csproj
index 6dd885f..6dfcb3c 100644
--- a/Demo.LibraryNetStandard/Demo.LibraryNetStandard.csproj
+++ b/Demo.LibraryNetStandard/Demo.LibraryNetStandard.csproj
@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
 </Project>
diff --git a/Demo.LibraryNetStandardNewAndLegacy/Demo.LibraryNetStandardNewAndLegacy.csproj b/Demo.LibraryNetStandardNewAndLegacy/Demo.LibraryNetStandardNewAndLegacy.csproj
index 8f44c73..a35252a 100644
--- a/Demo.LibraryNetStandardNewAndLegacy/Demo.LibraryNetStandardNewAndLegacy.csproj
+++ b/Demo.LibraryNetStandardNewAndLegacy/Demo.LibraryNetStandardNewAndLegacy.csproj
@@ -13,7 +13,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="NUnit" Version="3.10.1" />
   </ItemGroup>