diff --git a/cloud.design.patterns/cache.aside/cache.aside.csproj b/cloud.design.patterns/cache.aside/cache.aside.csproj
index 62aad1b..3bc555b 100644
--- a/cloud.design.patterns/cache.aside/cache.aside.csproj
+++ b/cloud.design.patterns/cache.aside/cache.aside.csproj
@@ -20,7 +20,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.0.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="3.0.1" />
     <PackageReference Include="StackExchange.Redis" Version="2.0.601" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>