diff --git a/Maverick.PCF.Builder.Tests/packages.config b/Maverick.PCF.Builder.Tests/packages.config
index c150ab2..02438b9 100644
--- a/Maverick.PCF.Builder.Tests/packages.config
+++ b/Maverick.PCF.Builder.Tests/packages.config
@@ -8,5 +8,5 @@
   <package id="Microsoft.Rest.ClientRuntime" version="2.3.20" targetFramework="net462" />
   <package id="MSTest.TestAdapter" version="2.1.1" targetFramework="net462" />
   <package id="MSTest.TestFramework" version="2.1.1" targetFramework="net462" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net462" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net462" />
 </packages>
\ No newline at end of file