diff --git a/Cql.Core.Common/Cql.Core.Common.csproj b/Cql.Core.Common/Cql.Core.Common.csproj
index 756bd9a..ca6dca8 100644
--- a/Cql.Core.Common/Cql.Core.Common.csproj
+++ b/Cql.Core.Common/Cql.Core.Common.csproj
@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="JetBrains.Annotations" Version="11.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="4.4.0" />
   </ItemGroup>
 
diff --git a/Cql.Core.Owin.SwaggerDocs/Cql.Core.Owin.SwaggerDocs.csproj b/Cql.Core.Owin.SwaggerDocs/Cql.Core.Owin.SwaggerDocs.csproj
index de0b8f5..0b4a013 100644
--- a/Cql.Core.Owin.SwaggerDocs/Cql.Core.Owin.SwaggerDocs.csproj
+++ b/Cql.Core.Owin.SwaggerDocs/Cql.Core.Owin.SwaggerDocs.csproj
@@ -25,7 +25,7 @@
     <PackageReference Include="Microsoft.AspNet.WebApi" Version="5.2.3" />
     <PackageReference Include="microsoft.aspnet.webapi.owin" Version="5.2.3" />
     <PackageReference Include="Microsoft.Owin" Version="3.1.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="Swashbuckle.Blue" Version="6.0.0.41" />
     <PackageReference Include="Swashbuckle.Blue.Core" Version="6.0.0.41" />
     <PackageReference Include="WebActivatorEx" Version="2.2.0" />