diff --git a/GLTFSerialization/Tests/GLTFSerializationTests/packages.config b/GLTFSerialization/Tests/GLTFSerializationTests/packages.config
index 1051ae289..0a2a698c6 100644
--- a/GLTFSerialization/Tests/GLTFSerializationTests/packages.config
+++ b/GLTFSerialization/Tests/GLTFSerializationTests/packages.config
@@ -2,5 +2,5 @@
 <packages>
   <package id="MSTest.TestAdapter" version="1.1.11" targetFramework="net452" />
   <package id="MSTest.TestFramework" version="1.1.11" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file