diff --git a/WorkerSafeMap.Tests/packages.config b/WorkerSafeMap.Tests/packages.config
index e65a9cd..40ad5c3 100644
--- a/WorkerSafeMap.Tests/packages.config
+++ b/WorkerSafeMap.Tests/packages.config
@@ -6,5 +6,5 @@
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net461" />
   <package id="MSTest.TestAdapter" version="1.2.0" targetFramework="net461" />
   <package id="MSTest.TestFramework" version="1.2.0" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.1" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
 </packages>
\ No newline at end of file