diff --git a/Pyro.CodeGeneration/packages.config b/Pyro.CodeGeneration/packages.config
index 5aa01620..9492d22c 100644
--- a/Pyro.CodeGeneration/packages.config
+++ b/Pyro.CodeGeneration/packages.config
@@ -3,6 +3,6 @@
   <package id="Hl7.Fhir.STU3" version="0.96.0" targetFramework="net46" />
   <package id="Hl7.Fhir.Support" version="0.96.0" targetFramework="net46" />
   <package id="Hl7.FhirPath" version="0.96.0" targetFramework="net46" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net46" />
   <package id="System.ValueTuple" version="4.5.0" targetFramework="net46" />
 </packages>
\ No newline at end of file