diff --git a/src/HttpWebRequestWrapper.Tests/packages.config b/src/HttpWebRequestWrapper.Tests/packages.config
index 6b26b55..1e9ec3c 100644
--- a/src/HttpWebRequestWrapper.Tests/packages.config
+++ b/src/HttpWebRequestWrapper.Tests/packages.config
@@ -6,7 +6,7 @@
   <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net47" />
   <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="net47" />
   <package id="Moq" version="4.8.1" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net47" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
   <package id="OpenCover" version="4.6.519" targetFramework="net47" developmentDependency="true" />
   <package id="RhinoMocks" version="3.6.1" targetFramework="net47" />
   <package id="Should" version="1.1.20" targetFramework="net47" />