diff --git a/spec/test_appspecs/corp.service/CSharpWeb/packages.config b/spec/test_appspecs/corp.service/CSharpWeb/packages.config
index 67a4fdbe..35a76d03 100644
--- a/spec/test_appspecs/corp.service/CSharpWeb/packages.config
+++ b/spec/test_appspecs/corp.service/CSharpWeb/packages.config
@@ -21,6 +21,6 @@
   <package id="Microsoft.Net.Http" version="2.0.20710.0" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
   <package id="Modernizr" version="2.6.2" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="4.5.11" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="WebGrease" version="1.3.0" targetFramework="net45" />
 </packages>
\ No newline at end of file