diff --git a/entity-framework/0030-joins/Joins.csproj b/entity-framework/0030-joins/Joins.csproj
index c433897f..2bd86543 100644
--- a/entity-framework/0030-joins/Joins.csproj
+++ b/entity-framework/0030-joins/Joins.csproj
@@ -8,7 +8,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="2.0.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="2.0.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>