diff --git a/Projects/Testing/Appleseed.Services.UnitTests/packages.config b/Projects/Testing/Appleseed.Services.UnitTests/packages.config
index 5eeee15..15910b9 100644
--- a/Projects/Testing/Appleseed.Services.UnitTests/packages.config
+++ b/Projects/Testing/Appleseed.Services.UnitTests/packages.config
@@ -11,7 +11,7 @@
   <package id="Moq" version="4.9.0" targetFramework="net471" />
   <package id="Neo4j.Driver" version="1.7.0-alpha02" targetFramework="net471" />
   <package id="Neo4jClient" version="3.0.1.15" targetFramework="net471" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net471" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net471" />
   <package id="NLog" version="4.3.4" targetFramework="net471" />
   <package id="NLog.Config" version="4.2.3" targetFramework="net45" />
   <package id="NLog.Schema" version="4.5.7" targetFramework="net45" />