diff --git a/Crisp.Configuration.Tests/packages.config b/Crisp.Configuration.Tests/packages.config
index e1e4ec5..883fb7f 100644
--- a/Crisp.Configuration.Tests/packages.config
+++ b/Crisp.Configuration.Tests/packages.config
@@ -3,5 +3,5 @@
   <package id="AutoFixture" version="3.44.0" targetFramework="net45" />
   <package id="DeepEqual" version="1.5.1.0" targetFramework="net45" />
   <package id="Moq" version="4.2.1510.2205" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="8.0.3" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file