diff --git a/tests/AppStudio.DataProviders.Test.WP81/packages.config b/tests/AppStudio.DataProviders.Test.WP81/packages.config
index 7b3278b9..efd7a77c 100644
--- a/tests/AppStudio.DataProviders.Test.WP81/packages.config
+++ b/tests/AppStudio.DataProviders.Test.WP81/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="8.0.3" targetFramework="wpa81" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="wpa81" />
 </packages>
\ No newline at end of file