diff --git a/Eyes/ImageTester/src/csharp/main/packages.config b/Eyes/ImageTester/src/csharp/main/packages.config
index d80134f..7053ade 100644
--- a/Eyes/ImageTester/src/csharp/main/packages.config
+++ b/Eyes/ImageTester/src/csharp/main/packages.config
@@ -5,5 +5,5 @@
   <package id="Eyes.Images" version="1.22.0" targetFramework="net452" />
   <package id="Eyes.Sdk" version="2.5.3" targetFramework="net452" />
   <package id="log4net" version="2.0.0" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="6.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file