diff --git a/tests/Zone.Episerver.PropertyViewer.Tests/packages.config b/tests/Zone.Episerver.PropertyViewer.Tests/packages.config
index 86d1c19..e599b1f 100644
--- a/tests/Zone.Episerver.PropertyViewer.Tests/packages.config
+++ b/tests/Zone.Episerver.PropertyViewer.Tests/packages.config
@@ -7,7 +7,7 @@
   <package id="Microsoft.Tpl.Dataflow" version="4.5.24" targetFramework="net461" />
   <package id="MSTest.TestAdapter" version="1.3.2" targetFramework="net461" />
   <package id="MSTest.TestFramework" version="1.3.2" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="NSubstitute" version="4.0.0" targetFramework="net461" />
   <package id="NUnit" version="3.11.0" targetFramework="net461" />
   <package id="NUnit3TestAdapter" version="3.13.0" targetFramework="net461" />